PERLTOC(1) Perl Programmers Reference Guide PERLTOC(1)
NAME
perltoc - perl documentation table of contents
DESCRIPTION
This page provides a brief table of contents for the rest
of the Perl documentation set. It is meant to be scanned
quickly or grepped through to locate the proper section
you're looking for.
BASIC DOCUMENTATION
perl - Practical Extraction and Report Language
SYNOPSIS
DESCRIPTION
Many usability enhancements, Simplified grammar, Lexical
scoping, Arbitrarily nested data structures, Modularity
and reusability, Object-oriented programming, Embeddable
and Extensible, POSIX compliant, Package constructors and
destructors, Multiple simultaneous DBM implementations,
Subroutine definitions may now be autoloaded, Regular
expression enhancements, Innumerable Unbundled Modules,
Compilability
ENVIRONMENT
AUTHOR
FILES
SEE ALSO
DIAGNOSTICS
BUGS
NOTES
perlfaq - frequently asked questions about Perl ($Date:
1998/07/20 23:12:17 $)
DESCRIPTION
perlfaq: Structural overview of the FAQ, the perlfaq1
manpage: General Questions About Perl, the perlfaq2
manpage: Obtaining and Learning about Perl, the perlfaq3
manpage: Programming Tools, the perlfaq4 manpage: Data
Manipulation, the perlfaq5 manpage: Files and Formats, the
perlfaq6 manpage: Regexps, the perlfaq7 manpage: General
Perl Language Issues, the perlfaq8 manpage: System
Interaction, the perlfaq9 manpage: Networking
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Where to get this document
How to contribute to this document
What will happen if you mail your Perl programming
problems to the authors
Credits
Author and Copyright Information
Bundled Distributions
Disclaimer
Changes
24/April/97, 23/April/97, 25/March/97, 18/March/97,
17/March/97 Version, Initial Release: 11/March/97
perlfaq1 - General Questions About Perl ($Revision: 1.3 $,
$Date: 1998/06/14 22:15:25 $)
DESCRIPTION
What is Perl?
Who supports Perl? Who develops it? Why is it free?
Which version of Perl should I use?
What are perl4 and perl5?
How stable is Perl?
Is Perl difficult to learn?
How does Perl compare with other languages like Java,
Python, REXX, Scheme, or Tcl?
Can I do [task] in Perl?
When shouldn't I program in Perl?
What's the difference between """"perl"""" and
""""Perl""""?
Is it a Perl program or a Perl script?
What is a JAPH?
Where can I get a list of Larry Wall witticisms?
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How can I convince my sysadmin/supervisor/employees to use
version (5/5.004/Perl instead of some other
language)?
AUTHOR AND COPYRIGHT
perlfaq2 - Obtaining and Learning about Perl ($Revision:
1.3 $, $Date: 1999/04/29 22:52:20 $)
DESCRIPTION
What machines support Perl? Where do I get it?
How can I get a binary version of Perl?
I don't have a C compiler on my system. How can I compile
perl?
I copied the Perl binary from one machine to another, but
scripts don't work.
I grabbed the sources and tried to compile but
gdbm/dynamic loading/malloc/linking/... failed. How
do I make it work?
What modules and extensions are available for Perl? What
is CPAN? What does CPAN/src/... mean?
Is there an ISO or ANSI certified version of Perl?
Where can I get information on Perl?
What are the Perl newsgroups on USENET? Where do I post
questions?
Where should I post source code?
Perl Books
References, Tutorials *Learning Perl [2nd edition] by
Randal L. Schwartz and Tom Christiansen, Task-
Oriented, Special Topics
Perl in Magazines
Perl on the Net: FTP and WWW Access
What mailing lists are there for perl?
MacPerl, Perl5-Porters, NTPerl, Perl-Packrats
Archives of comp.lang.perl.misc
Where can I buy a commercial version of Perl?
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Where do I send bug reports?
What is perl.com? perl.org? The Perl Institute?
How do I learn about object-oriented Perl programming?
AUTHOR AND COPYRIGHT
perlfaq3 - Programming Tools ($Revision: 1.3 $, $Date:
1998/07/16 22:08:49 $)
DESCRIPTION
How do I do (anything)?
How can I use Perl interactively?
Is there a Perl shell?
How do I debug my Perl programs?
How do I profile my Perl programs?
How do I cross-reference my Perl programs?
Is there a pretty-printer (formatter) for Perl?
Is there a ctags for Perl?
Where can I get Perl macros for vi?
Where can I get perl-mode for emacs?
How can I use curses with Perl?
How can I use X or Tk with Perl?
How can I generate simple menus without using CGI or Tk?
What is undump?
How can I make my Perl program run faster?
How can I make my Perl program take less memory?
Is it unsafe to return a pointer to local data?
How can I free an array or hash so my program shrinks?
How can I make my CGI script more efficient?
How can I hide the source for my Perl program?
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How can I compile my Perl program into byte code or C?
How can I get #!perl to work on [MS-DOS,NT,...]?
Can I write useful perl programs on the command line?
Why don't perl one-liners work on my DOS/Mac/VMS system?
Where can I learn about CGI or Web programming in Perl?
Where can I learn about object-oriented Perl programming?
Where can I learn about linking C with Perl? [h2xs,
xsubpp]
I've read perlembed, perlguts, etc., but I can't embed
perl in my C program, what am I doing wrong?
When I tried to run my script, I got this message. What
does it mean?
What's MakeMaker?
AUTHOR AND COPYRIGHT
perlfaq4 - Data Manipulation ($Revision: 1.3 $, $Date:
1998/07/16 22:49:55 $)
DESCRIPTION
Data: Numbers
Why am I getting long decimals (eg, 19.9499999999999)
instead of the numbers I should be getting (eg,
19.95)?
Why isn't my octal data interpreted correctly?
Does perl have a round function? What about ceil() and
floor()? Trig functions?
How do I convert bits into ints?
How do I multiply matrices?
How do I perform an operation on a series of integers?
How can I output Roman numerals?
Why aren't my random numbers random?
Data: Dates
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How do I find the week-of-the-year/day-of-the-year?
How can I compare two dates and find the difference?
How can I take a string and turn it into epoch seconds?
How can I find the Julian Day?
Does Perl have a year 2000 problem? Is Perl Y2K
compliant?
Data: Strings
How do I validate input?
How do I unescape a string?
How do I remove consecutive pairs of characters?
How do I expand function calls in a string?
How do I find matching/nesting anything?
How do I reverse a string?
How do I expand tabs in a string?
How do I reformat a paragraph?
How can I access/change the first N letters of a string?
How do I change the Nth occurrence of something?
How can I count the number of occurrences of a substring
within a string?
How do I capitalize all the words on one line?
How can I split a [character] delimited string except when
inside [character]? (Comma-separated files)
How do I strip blank space from the beginning/end of a
string?
How do I extract selected columns from a string?
How do I find the soundex value of a string?
How can I expand variables in text strings?
What's wrong with always quoting """"$vars""""?
Why don't my <<HERE documents work?
1. There must be no space after the << part, 2. There
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(probably) should be a semicolon at the end, 3. You
can't (easily) have any space in front of the tag
Data: Arrays
What is the difference between $array[1] and @array[1]?
How can I extract just the unique elements of an array?
a) If @in is sorted, and you want @out to be
sorted:(this assumes all true values in the array),
b) If you don't know whether @in is sorted:, c) Like
(b), but @in contains only small integers:, d) A way
to do (b) without any loops or greps:, e) Like (d),
but @in contains only small positive integers:
How can I tell whether a list or array contains a certain
element?
How do I compute the difference of two arrays? How do I
compute the intersection of two arrays?
How do I find the first array element for which a
condition is true?
How do I handle linked lists?
How do I handle circular lists?
How do I shuffle an array randomly?
How do I process/modify each element of an array?
How do I select a random element from an array?
How do I permute N elements of a list?
How do I sort an array by (anything)?
How do I manipulate arrays of bits?
Why does defined() return true on empty arrays and hashes?
Data: Hashes (Associative Arrays)
How do I process an entire hash?
What happens if I add or remove keys from a hash while
iterating over it?
How do I look up a hash element by value?
How can I know how many entries are in a hash?
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How do I sort a hash (optionally by value instead of key)?
How can I always keep my hash sorted?
What's the difference between """"delete"""" and
""""undef"""" with hashes?
Why don't my tied hashes make the defined/exists
distinction?
How do I reset an each() operation part-way through?
How can I get the unique keys from two hashes?
How can I store a multidimensional array in a DBM file?
How can I make my hash remember the order I put elements
into it?
Why does passing a subroutine an undefined element in a
hash create it?
How can I make the Perl equivalent of a C structure/C++
class/hash or array of hashes or arrays?
How can I use a reference as a hash key?
Data: Misc
How do I handle binary data correctly?
How do I determine whether a scalar is a
number/whole/integer/float?
How do I keep persistent data across program calls?
How do I print out or copy a recursive data structure?
How do I define methods for every class/object?
How do I verify a credit card checksum?
AUTHOR AND COPYRIGHT
perlfaq5 - Files and Formats ($Revision: 1.3 $, $Date:
1998/07/05 15:07:20 $)
DESCRIPTION
How do I flush/unbuffer an output filehandle? Why must I
do this?
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How do I change one line in a file/delete a line in a
file/insert a line in the middle of a file/append to
the beginning of a file?
How do I count the number of lines in a file?
How do I make a temporary file name?
How can I manipulate fixed-record-length files?
How can I make a filehandle local to a subroutine? How do
I pass filehandles between subroutines? How do I
make an array of filehandles?
How can I use a filehandle indirectly?
How can I set up a footer format to be used with write()?
How can I write() into a string?
How can I output my numbers with commas added?
How can I translate tildes (~) in a filename?
How come when I open a file read-write it wipes it out?
Why do I sometimes get an """"Argument list too long""""
when I use <*>?
Is there a leak/bug in glob()?
How can I open a file with a leading """">"""" or trailing
blanks?
How can I reliably rename a file?
How can I lock a file?
What can't I just open(FH, """">file.lock")?
I still don't get locking. I just want to increment the
number in the file. How can I do this?
How do I randomly update a binary file?
How do I get a file's timestamp in perl?
How do I set a file's timestamp in perl?
How do I print to more than one file at once?
How can I read in a file by paragraphs?
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How can I read a single character from a file? From the
keyboard?
How can I tell if there's a character waiting on a
filehandle?
How do I do a tail -f in perl?
How do I dup() a filehandle in Perl?
How do I close a file descriptor by number?
Why can't I use """"C:\temp\foo"""" in DOS paths? What
doesn't `C:\temp\foo.exe` work?
Why doesn't glob'*.*' get all the files?
Why does Perl let me delete read-only files? Why does -i
clobber protected files? Isn't this a bug in Perl?
How do I select a random line from a file?
AUTHOR AND COPYRIGHT
perlfaq6 - Regexps ($Revision: 1.3 $, $Date: 1999/04/29
22:52:20 $)
DESCRIPTION
How can I hope to use regular expressions without creating
illegible and unmaintainable code?
Comments Outside the Regexp, Comments Inside the
Regexp, Different Delimiters
I'm having trouble matching over more than one line.
What's wrong?
How can I pull out lines between two patterns that are
themselves on different lines?
I put a regular expression into $/ but it didn't work.
What's wrong?
How do I substitute case insensitively on the LHS, but
preserving case on the RHS?
How can I make \w match national character sets?
How can I match a locale-smart version of /[a-zA-Z]/?
How can I quote a variable to use in a regexp?
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What is /o really for?
How do I use a regular expression to strip C style
comments from a file?
Can I use Perl regular expressions to match balanced text?
What does it mean that regexps are greedy? How can I get
around it?
How do I process each word on each line?
How can I print out a word-frequency or line-frequency
summary?
How can I do approximate matching?
How do I efficiently match many regular expressions at
once?
Why don't word-boundary searches with \b work for me?
Why does using $&, $`, or $' slow my program down?
What good is \G in a regular expression?
Are Perl regexps DFAs or NFAs? Are they POSIX compliant?
What's wrong with using grep or map in a void context?
How can I match strings with multibyte characters?
AUTHOR AND COPYRIGHT
perlfaq7 - Perl Language Issues ($Revision: 1.3 $, $Date:
1998/06/22 15:20:07 $)
DESCRIPTION
Can I get a BNF/yacc/RE for the Perl language?
What are all these $@%* punctuation signs, and how do I
know when to use them?
Do I always/never have to quote my strings or use
semicolons and commas?
How do I skip some return values?
How do I temporarily block warnings?
What's an extension?
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Why do Perl operators have different precedence than C
operators?
How do I declare/create a structure?
How do I create a module?
How do I create a class?
How can I tell if a variable is tainted?
What's a closure?
What is variable suicide and how can I prevent it?
How can I pass/return a {Function, FileHandle, Array,
Hash, Method, Regexp}?
Passing Variables and Functions, Passing Filehandles,
Passing Regexps, Passing Methods
How do I create a static variable?
What's the difference between dynamic and lexical (static)
scoping? Between local() and my()?
How can I access a dynamic variable while a similarly
named lexical is in scope?
What's the difference between deep and shallow binding?
Why doesn't """"my($foo) = <FILE>;"""" work right?
How do I redefine a builtin function, operator, or method?
What's the difference between calling a function as &foo
and foo()?
How do I create a switch or case statement?
How can I catch accesses to undefined
variables/functions/methods?
Why can't a method included in this same file be found?
How can I find out my current package?
How can I comment out a large block of perl code?
AUTHOR AND COPYRIGHT
perlfaq8 - System Interaction ($Revision: 1.3 $, $Date:
1998/07/05 15:07:20 $)
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DESCRIPTION
How do I find out which operating system I'm running
under?
How come exec() doesn't return?
How do I do fancy stuff with the keyboard/screen/mouse?
Keyboard, Screen, Mouse
How do I print something out in color?
How do I read just one key without waiting for a return
key?
How do I check whether input is ready on the keyboard?
How do I clear the screen?
How do I get the screen size?
How do I ask the user for a password?
How do I read and write the serial port?
lockfiles, open mode, end of line, flushing output,
non-blocking input
How do I decode encrypted password files?
How do I start a process in the background?
STDIN, STDOUT, and STDERR are shared, Signals,
Zombies
How do I trap control characters/signals?
How do I modify the shadow password file on a Unix system?
How do I set the time and date?
How can I sleep() or alarm() for under a second?
How can I measure time under a second?
How can I do an atexit() or setjmp()/longjmp()? (Exception
handling)
Why doesn't my sockets program work under System V
(Solaris)? What does the error message """"Protocol
not supported"""" mean?
How can I call my system's unique C functions from Perl?
Where do I get the include files to do ioctl() or
syscall()?
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Why do setuid perl scripts complain about kernel problems?
How can I open a pipe both to and from a command?
Why can't I get the output of a command with system()?
How can I capture STDERR from an external command?
Why doesn't open() return an error when a pipe open fails?
What's wrong with using backticks in a void context?
How can I call backticks without shell processing?
Why can't my script read from STDIN after I gave it EOF
(^D on Unix, ^Z on MS-DOS)?
How can I convert my shell script to perl?
Can I use perl to run a telnet or ftp session?
How can I write expect in Perl?
Is there a way to hide perl's command line from programs
such as """"ps""""?
I {changed directory, modified my environment} in a perl
script. How come the change disappeared when I exited
the script? How do I get my changes to be visible?
Unix
How do I close a process's filehandle without waiting for
it to complete?
How do I fork a daemon process?
How do I make my program run with sh and csh?
How do I find out if I'm running interactively or not?
How do I timeout a slow event?
How do I set CPU limits?
How do I avoid zombies on a Unix system?
How do I use an SQL database?
How do I make a system() exit on control-C?
How do I open a file without blocking?
How do I install a CPAN module?
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What's the difference between require and use?
How do I keep my own module/library directory?
How do I add the directory my program lives in to the
module/library search path?
How do I add a directory to my include path at runtime?
AUTHOR AND COPYRIGHT
perlfaq9 - Networking ($Revision: 1.3 $, $Date: 1998/06/22
18:31:09 $)
DESCRIPTION
My CGI script runs from the command line but not the
browser. (500 Server Error)
How can I get better error messages from a CGI program?
How do I remove HTML from a string?
How do I extract URLs?
How do I download a file from the user's machine? How do
I open a file on another machine?
How do I make a pop-up menu in HTML?
How do I fetch an HTML file?
How do I automate an HTML form submission?
How do I decode or create those %-encodings on the web?
How do I redirect to another page?
How do I put a password on my web pages?
How do I edit my .htpasswd and .htgroup files with Perl?
How do I make sure users can't enter values into a form
that cause my CGI script to do bad things?
How do I parse a mail header?
How do I decode a CGI form?
How do I check a valid mail address?
How do I decode a MIME/BASE64 string?
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How do I return the user's mail address?
How do I send mail?
How do I read mail?
How do I find out my hostname/domainname/IP address?
How do I fetch a news article or the active newsgroups?
How do I fetch/put an FTP file?
How can I do RPC in Perl?
AUTHOR AND COPYRIGHT
perldelta - what's new for perl5.005
DESCRIPTION
About the new versioning system
Incompatible Changes
WARNING: This version is not binary compatible with Perl
5.004.
Default installation structure has changed
Perl Source Compatibility
C Source Compatibility
Core sources now require ANSI C compiler, All Perl
global variables must now be referenced with an
explicit prefix, Enabling threads has source
compatibility issues
Binary Compatibility
Security fixes may affect compatibility
Relaxed new mandatory warnings introduced in 5.004
Licensing
Core Changes
Threads
Compiler
Regular Expressions
Many new and improved optimizations, Many bug fixes,
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New regular expression constructs, New operator for
precompiled regular expressions, Other improvements,
Incompatible changes
Improved malloc()
Quicksort is internally implemented
Reliable signals
Reliable stack pointers
More generous treatment of carriage returns
Memory leaks
Better support for multiple interpreters
Behavior of local() on array and hash elements is now
well- defined
%! is transparently tied to the the Errno manpage module
Pseudo-hashes are supported
EXPR foreach EXPR is supported
Keywords can be globally overridden
$^E is meaningful on Win32
foreach (1..1000000) optimized
Foo:: can be used as implicitly quoted package name
exists $Foo::{Bar::} tests existence of a package
Better locale support
Experimental support for 64-bit platforms
prototype() returns useful results on builtins
Extended support for exception handling
Re-blessing in DESTROY() supported for chaining DESTROY()
methods
All printf format conversions are handled internally
New INIT keyword
New lock keyword
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New qr// operator
our is now a reserved word
Tied arrays are now fully supported
Tied handles support is better
4th argument to substr
Negative LENGTH argument to splice
Magic lvalues are now more magical
<> now reads in records
Supported Platforms
New Platforms
Changes in existing support
Modules and Pragmata
New Modules
B, Data::Dumper, Errno, File::Spec,
ExtUtils::Installed, ExtUtils::Packlist, Fatal,
IPC::SysV, Test, Tie::Array, Tie::Handle, Thread,
attrs, fields, re
Changes in existing modules
CGI, POSIX, DB_File, MakeMaker, CPAN, Cwd, Benchmark
Utility Changes
Documentation Changes
New Diagnostics
Ambiguous call resolved as CORE::%s(), qualify as such or
use &, Bad index while coercing array into hash, Bareword
"%s" refers to nonexistent package, Can't call method "%s"
on an undefined value, Can't coerce array into hash, Can't
goto subroutine from an eval-string, Can't localize
pseudo-hash element, Can't use %%! because Errno.pm is not
available, Cannot find an opnumber for "%s", Character
class syntax [. .] is reserved for future extensions,
Character class syntax [: :] is reserved for future
extensions, Character class syntax [= =] is reserved for
future extensions, %s: Eval-group in insecure regular
expression, %s: Eval-group not allowed, use re 'eval', %s:
Eval-group not allowed at run time, Explicit blessing to
'' (assuming package main), Illegal hex digit ignored, No
such array field, No such field "%s" in variable %s of
type %s, Out of memory during ridiculously large request,
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Range iterator outside integer range, Recursive
inheritance detected while looking for method '%s' in
package '%s', Reference found where even-sized list
expected, Undefined value assigned to typeglob, Use of
reserved word "%s" is deprecated, perl: warning: Setting
locale failed
Obsolete Diagnostics
Can't mktemp(), Can't write to temp file for -e: %s,
Cannot open temporary file
BUGS
SEE ALSO
HISTORY
perldata - Perl data types
DESCRIPTION
Variable names
Context
Scalar values
Scalar value constructors
List value constructors
Typeglobs and Filehandles
perlsyn - Perl syntax
DESCRIPTION
Declarations
Simple statements
Compound statements
Loop Control
For Loops
Foreach Loops
Basic BLOCKs and Switch Statements
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Goto
PODs: Embedded Documentation
Plain Old Comments (Not!)
perlop - Perl operators and precedence
SYNOPSIS
DESCRIPTION
Terms and List Operators (Leftward)
The Arrow Operator
Auto-increment and Auto-decrement
Exponentiation
Symbolic Unary Operators
Binding Operators
Multiplicative Operators
Additive Operators
Shift Operators
Named Unary Operators
Relational Operators
Equality Operators
Bitwise And
Bitwise Or and Exclusive Or
C-style Logical And
C-style Logical Or
Range Operators
Conditional Operator
Assignment Operators
Comma Operator
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List Operators (Rightward)
Logical Not
Logical And
Logical or and Exclusive Or
C Operators Missing From Perl
unary &, unary *, (TYPE)
Quote and Quote-like Operators
Regexp Quote-Like Operators
?PATTERN?, m/PATTERN/cgimosx, /PATTERN/cgimosx,
q/STRING/, 'STRING', qq/STRING/, "STRING",
qr/STRING/imosx, qx/STRING/, `STRING`, qw/STRING/,
s/PATTERN/REPLACEMENT/egimosx,
tr/SEARCHLIST/REPLACEMENTLIST/cds,
y/SEARCHLIST/REPLACEMENTLIST/cds
Gory details of parsing quoted constructs
Finding the end, Removal of backslashes before
delimiters, Interpolation, <<'EOF', m'', s''', tr///,
y///, '', q//, "", ``, qq//, qx//, <file*glob>, ?RE?,
/RE/, m/RE/, s/RE/foo/,, Interpolation of regular
expressions, Optimization of regular expressions
I/O Operators
Constant Folding
Bitwise String Operators
Integer Arithmetic
Floating-point Arithmetic
Bigger Numbers
perlre - Perl regular expressions
DESCRIPTION
i, m, s, x
Regular Expressions
(?#text), (?:pattern), (?imsx-imsx:pattern),
(?=pattern), (?!pattern), (?<=pattern), (?<!pattern),
(?{ code }), (?>pattern), (?(condition)yes-
pattern|no-pattern), (?(condition)yes-pattern),
(?imsx-imsx)
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Backtracking
Version 8 Regular Expressions
WARNING on \1 vs $1
Repeated patterns matching zero-length substring
Creating custom RE engines
SEE ALSO
perlrun - how to execute the Perl interpreter
SYNOPSIS
DESCRIPTION
#! and quoting on non-Unix systems
OS/2, MS-DOS, Win95/NT, Macintosh
Location of Perl
Switches
-0[digits], -a, -c, -d, -d:foo, -Dletters, -Dnumber,
-e commandline, -Fpattern, -h, -i[extension],
-Idirectory, -l[octnum], -m[-]module, -M[-]module,
-M[-]'module ...', -[mM][-]module=arg[,arg]..., -n,
-p, -P, -s, -S, -T, -u, -U, -v, -V, -V:name, -w, -x
directory
ENVIRONMENT
HOME, LOGDIR, PATH, PERL5LIB, PERL5OPT, PERLLIB, PERL5DB,
PERL5SHELL (specific to WIN32 port), PERL_DEBUG_MSTATS,
PERL_DESTRUCT_LEVEL
perlfunc - Perl builtin functions
DESCRIPTION
Perl Functions by Category
Functions for SCALARs or strings, Regular expressions
and pattern matching, Numeric functions, Functions
for real @ARRAYs, Functions for list data, Functions
for real %HASHes, Input and output functions,
Functions for fixed length data or records, Functions
for filehandles, files, or directories, Keywords
related to the control flow of your perl program,
Keywords related to scoping, Miscellaneous functions,
Functions for processes and process groups, Keywords
related to perl modules, Keywords related to classes
and object-orientedness, Low-level socket functions,
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System V interprocess communication functions,
Fetching user and group info, Fetching network info,
Time-related functions, Functions new in perl5,
Functions obsoleted in perl5
Alphabetical Listing of Perl Functions
-X FILEHANDLE, -X EXPR, -X, abs VALUE, abs, accept
NEWSOCKET,GENERICSOCKET, alarm SECONDS, alarm, atan2
Y,X, bind SOCKET,NAME, binmode FILEHANDLE, bless
REF,CLASSNAME, bless REF, caller EXPR, caller, chdir
EXPR, chmod LIST, chomp VARIABLE, chomp LIST, chomp,
chop VARIABLE, chop LIST, chop, chown LIST, chr
NUMBER, chr, chroot FILENAME, chroot, close
FILEHANDLE, close, closedir DIRHANDLE, connect
SOCKET,NAME, continue BLOCK, cos EXPR, crypt
PLAINTEXT,SALT, dbmclose HASH, dbmopen
HASH,DBNAME,MODE, defined EXPR, defined, delete EXPR,
die LIST, do BLOCK, do SUBROUTINE(LIST), do EXPR,
dump LABEL, each HASH, eof FILEHANDLE, eof (), eof,
eval EXPR, eval BLOCK, exec LIST, exec PROGRAM LIST,
exists EXPR, exit EXPR, exp EXPR, exp, fcntl
FILEHANDLE,FUNCTION,SCALAR, fileno FILEHANDLE, flock
FILEHANDLE,OPERATION, fork, format, formline
PICTURE,LIST, getc FILEHANDLE, getc, getlogin,
getpeername SOCKET, getpgrp PID, getppid, getpriority
WHICH,WHO, getpwnam NAME, getgrnam NAME,
gethostbyname NAME, getnetbyname NAME, getprotobyname
NAME, getpwuid UID, getgrgid GID, getservbyname
NAME,PROTO, gethostbyaddr ADDR,ADDRTYPE, getnetbyaddr
ADDR,ADDRTYPE, getprotobynumber NUMBER, getservbyport
PORT,PROTO, getpwent, getgrent, gethostent,
getnetent, getprotoent, getservent, setpwent,
setgrent, sethostent STAYOPEN, setnetent STAYOPEN,
setprotoent STAYOPEN, setservent STAYOPEN, endpwent,
endgrent, endhostent, endnetent, endprotoent,
endservent, getsockname SOCKET, getsockopt
SOCKET,LEVEL,OPTNAME, glob EXPR, glob, gmtime EXPR,
goto LABEL, goto EXPR, goto &NAME, grep BLOCK LIST,
grep EXPR,LIST, hex EXPR, hex, import, index
STR,SUBSTR,POSITION, index STR,SUBSTR, int EXPR, int,
ioctl FILEHANDLE,FUNCTION,SCALAR, join EXPR,LIST,
keys HASH, kill LIST, last LABEL, last, lc EXPR, lc,
lcfirst EXPR, lcfirst, length EXPR, length, link
OLDFILE,NEWFILE, listen SOCKET,QUEUESIZE, local EXPR,
localtime EXPR, log EXPR, log, lstat FILEHANDLE,
lstat EXPR, lstat, m//, map BLOCK LIST, map
EXPR,LIST, mkdir FILENAME,MODE, msgctl ID,CMD,ARG,
msgget KEY,FLAGS, msgsnd ID,MSG,FLAGS, msgrcv
ID,VAR,SIZE,TYPE,FLAGS, my EXPR, next LABEL, next, no
Module LIST, oct EXPR, oct, open FILEHANDLE,EXPR,
open FILEHANDLE, opendir DIRHANDLE,EXPR, ord EXPR,
ord, pack TEMPLATE,LIST, package, package NAMESPACE,
pipe READHANDLE,WRITEHANDLE, pop ARRAY, pop, pos
SCALAR, pos, print FILEHANDLE LIST, print LIST,
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print, printf FILEHANDLE FORMAT, LIST, printf FORMAT,
LIST, prototype FUNCTION, push ARRAY,LIST, q/STRING/,
qq/STRING/, qr/STRING/, qx/STRING/, qw/STRING/,
quotemeta EXPR, quotemeta, rand EXPR, rand, read
FILEHANDLE,SCALAR,LENGTH,OFFSET, read
FILEHANDLE,SCALAR,LENGTH, readdir DIRHANDLE, readline
EXPR, readlink EXPR, readlink, readpipe EXPR, recv
SOCKET,SCALAR,LEN,FLAGS, redo LABEL, redo, ref EXPR,
ref, rename OLDNAME,NEWNAME, require EXPR, require,
reset EXPR, reset, return EXPR, return, reverse LIST,
rewinddir DIRHANDLE, rindex STR,SUBSTR,POSITION,
rindex STR,SUBSTR, rmdir FILENAME, rmdir, s///,
scalar EXPR, seek FILEHANDLE,POSITION,WHENCE, seekdir
DIRHANDLE,POS, select FILEHANDLE, select, select
RBITS,WBITS,EBITS,TIMEOUT, semctl ID,SEMNUM,CMD,ARG,
semget KEY,NSEMS,FLAGS, semop KEY,OPSTRING, send
SOCKET,MSG,FLAGS,TO, send SOCKET,MSG,FLAGS, setpgrp
PID,PGRP, setpriority WHICH,WHO,PRIORITY, setsockopt
SOCKET,LEVEL,OPTNAME,OPTVAL, shift ARRAY, shift,
shmctl ID,CMD,ARG, shmget KEY,SIZE,FLAGS, shmread
ID,VAR,POS,SIZE, shmwrite ID,STRING,POS,SIZE,
shutdown SOCKET,HOW, sin EXPR, sin, sleep EXPR,
sleep, socket SOCKET,DOMAIN,TYPE,PROTOCOL, socketpair
SOCKET1,SOCKET2,DOMAIN,TYPE,PROTOCOL, sort SUBNAME
LIST, sort BLOCK LIST, sort LIST, splice
ARRAY,OFFSET,LENGTH,LIST, splice ARRAY,OFFSET,LENGTH,
splice ARRAY,OFFSET, split /PATTERN/,EXPR,LIMIT,
split /PATTERN/,EXPR, split /PATTERN/, split, sprintf
FORMAT, LIST, sqrt EXPR, sqrt, srand EXPR, srand,
stat FILEHANDLE, stat EXPR, stat, study SCALAR,
study, sub BLOCK, sub NAME, sub NAME BLOCK, substr
EXPR,OFFSET,LEN,REPLACEMENT, substr EXPR,OFFSET,LEN,
substr EXPR,OFFSET, symlink OLDFILE,NEWFILE, syscall
LIST, sysopen FILEHANDLE,FILENAME,MODE, sysopen
FILEHANDLE,FILENAME,MODE,PERMS, sysread
FILEHANDLE,SCALAR,LENGTH,OFFSET, sysread
FILEHANDLE,SCALAR,LENGTH, sysseek
FILEHANDLE,POSITION,WHENCE, system LIST, system
PROGRAM LIST, syswrite
FILEHANDLE,SCALAR,LENGTH,OFFSET, syswrite
FILEHANDLE,SCALAR,LENGTH, tell FILEHANDLE, tell,
telldir DIRHANDLE, tie VARIABLE,CLASSNAME,LIST, tied
VARIABLE, time, times, tr///, truncate
FILEHANDLE,LENGTH, truncate EXPR,LENGTH, uc EXPR, uc,
ucfirst EXPR, ucfirst, umask EXPR, umask, undef EXPR,
undef, unlink LIST, unlink, unpack TEMPLATE,EXPR,
untie VARIABLE, unshift ARRAY,LIST, use Module LIST,
use Module, use Module VERSION LIST, use VERSION,
utime LIST, values HASH, vec EXPR,OFFSET,BITS, wait,
waitpid PID,FLAGS, wantarray, warn LIST, write
FILEHANDLE, write EXPR, write, y///
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perlvar - Perl predefined variables
DESCRIPTION
Predefined Names
$ARG, $_, $<digits>, $MATCH, $&, $PREMATCH, $`,
$POSTMATCH, $', $LAST_PAREN_MATCH, $+,
$MULTILINE_MATCHING, $*, input_line_number HANDLE
EXPR, $INPUT_LINE_NUMBER, $NR, $,
input_record_separator HANDLE EXPR,
$INPUT_RECORD_SEPARATOR, $RS, $/, autoflush HANDLE
EXPR, $OUTPUT_AUTOFLUSH, $|, output_field_separator
HANDLE EXPR, $OUTPUT_FIELD_SEPARATOR, $OFS, $,,
output_record_separator HANDLE EXPR,
$OUTPUT_RECORD_SEPARATOR, $ORS, $\, $LIST_SEPARATOR,
$", $SUBSCRIPT_SEPARATOR, $SUBSEP, $;, $OFMT, $#,
format_page_number HANDLE EXPR, $FORMAT_PAGE_NUMBER,
$%, format_lines_per_page HANDLE EXPR,
$FORMAT_LINES_PER_PAGE, $=, format_lines_left HANDLE
EXPR, $FORMAT_LINES_LEFT, $-, format_name HANDLE
EXPR, $FORMAT_NAME, $~, format_top_name HANDLE EXPR,
$FORMAT_TOP_NAME, $^, format_line_break_characters
HANDLE EXPR, $FORMAT_LINE_BREAK_CHARACTERS, $:,
format_formfeed HANDLE EXPR, $FORMAT_FORMFEED, $^L,
$ACCUMULATOR, $^A, $CHILD_ERROR, $?, $OS_ERROR,
$ERRNO, $!, $EXTENDED_OS_ERROR, $^E, $EVAL_ERROR, $@,
$PROCESS_ID, $PID, $$, $REAL_USER_ID, $UID, $<,
$EFFECTIVE_USER_ID, $EUID, $>, $REAL_GROUP_ID, $GID,
$(, $EFFECTIVE_GROUP_ID, $EGID, $), $PROGRAM_NAME,
$0, $[, $PERL_VERSION, $], $DEBUGGING, $^D,
$SYSTEM_FD_MAX, $^F, $^H, $INPLACE_EDIT, $^I, $^M,
$OSNAME, $^O, $PERLDB, $^P, 0x01, 0x02, 0x04, 0x08,
0x10, 0x20, $^R, $^S, $BASETIME, $^T, $WARNING, $^W,
$EXECUTABLE_NAME, $^X, $ARGV, @ARGV, @INC, @_, %INC,
%ENV $ENV{expr}, %SIG $SIG{expr}
Error Indicators
perlsub - Perl subroutines
SYNOPSIS
DESCRIPTION
Private Variables via my()
Persistent Private Variables
Temporary Values via local()
Passing Symbol Table Entries (typeglobs)
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When to Still Use local()
1. You need to give a global variable a temporary
value, especially $_, 2. You need to create a local
file or directory handle or a local function, 3. You
want to temporarily change just one element of an
array or hash
Pass by Reference
Prototypes
Constant Functions
Overriding Builtin Functions
Autoloading
SEE ALSO
perlmod - Perl modules (packages and symbol tables)
DESCRIPTION
Packages
Symbol Tables
Package Constructors and Destructors
Perl Classes
Perl Modules
SEE ALSO
perlmodlib - constructing new Perl modules and finding
existing ones
DESCRIPTION
THE PERL MODULE LIBRARY
Pragmatic Modules
use autouse MODULE => qw(sub1 sub2 sub3), blib,
diagnostics, integer, less, lib, locale, ops,
overload, re, sigtrap, strict, subs, vmsish, vars
Standard Modules
AnyDBM_File, AutoLoader, AutoSplit, Benchmark, CPAN,
CPAN::FirstTime, CPAN::Nox, Carp, Class::Struct,
Config, Cwd, DB_File, Devel::SelfStubber, DirHandle,
DynaLoader, English, Env, Exporter, ExtUtils::Embed,
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ExtUtils::Install, ExtUtils::Liblist,
ExtUtils::MM_OS2, ExtUtils::MM_Unix,
ExtUtils::MM_VMS, ExtUtils::MakeMaker,
ExtUtils::Manifest, ExtUtils::Mkbootstrap,
ExtUtils::Mksymlists, ExtUtils::testlib, Fatal,
Fcntl, File::Basename, File::CheckTree,
File::Compare, File::Copy, File::Find, File::Path,
File::stat, FileCache, FileHandle, FindBin,
GDBM_File, Getopt::Long, Getopt::Std, I18N::Collate,
IO, IO::File, IO::Handle, IO::Pipe, IO::Seekable,
IO::Select, IO::Socket, IPC::Open2, IPC::Open3,
Math::BigFloat, Math::BigInt, Math::Complex,
Math::Trig, NDBM_File, Net::Ping, Net::hostent,
Net::netent, Net::protoent, Net::servent, Opcode,
Pod::Text, POSIX, SDBM_File, Safe, Search::Dict,
SelectSaver, SelfLoader, Shell, Socket, Symbol,
Sys::Hostname, Sys::Syslog, Term::Cap,
Term::Complete, Term::ReadLine, Test::Harness,
Text::Abbrev, Text::ParseWords, Text::Soundex,
Text::Tabs, Text::Wrap, Tie::Hash, Tie::RefHash,
Tie::Scalar, Tie::SubstrHash, Time::Local,
Time::gmtime, Time::localtime, Time::tm, UNIVERSAL,
User::grent, User::pwent
Extension Modules
CPAN
Language Extensions and Documentation Tools, Development
Support, Operating System Interfaces, Networking, Device
Control (modems) and InterProcess Communication, Data
Types and Data Type Utilities, Database Interfaces, User
Interfaces, Interfaces to / Emulations of Other
Programming Languages, File Names, File Systems and File
Locking (see also File Handles), String Processing,
Language Text Processing, Parsing, and Searching, Option,
Argument, Parameter, and Configuration File Processing,
Internationalization and Locale, Authentication, Security,
and Encryption, World Wide Web, HTML, HTTP, CGI, MIME,
Server and Daemon Utilities, Archiving and Compression,
Images, Pixmap and Bitmap Manipulation, Drawing, and
Graphing, Mail and Usenet News, Control Flow Utilities
(callbacks and exceptions etc), File Handle and
Input/Output Stream Utilities, Miscellaneous Modules,
Africa, Asia, Australasia, Europe, North America, South
America
Modules: Creation, Use, and Abuse
Guidelines for Module Creation
Do similar modules already exist in some form?, Try
to design the new module to be easy to extend and
reuse, Some simple style guidelines, Select what to
export, Select a name for the module, Have you got it
right?, README and other Additional Files, A
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description of the module/package/extension etc, A
copyright notice - see below, Prerequisites - what
else you may need to have, How to build it - possible
changes to Makefile.PL etc, How to install it, Recent
changes in this release, especially
incompatibilities, Changes / enhancements you plan to
make in the future, Adding a Copyright Notice, Give
the module a version/issue/release number, How to
release and distribute a module, Take care when
changing a released module
Guidelines for Converting Perl 4 Library Scripts into
Modules
There is no requirement to convert anything, Consider
the implications, Make the most of the opportunity,
The pl2pm utility will get you started, Adds the
standard Module prologue lines, Converts package
specifiers from ' to ::, Converts die(...) to
croak(...), Several other minor changes
Guidelines for Reusing Application Code
Complete applications rarely belong in the Perl
Module Library, Many applications contain some Perl
code that could be reused, Break-out the reusable
code into one or more separate module files, Take the
opportunity to reconsider and redesign the
interfaces, In some cases the 'application' can then
be reduced to a small
NOTE
perlmodinstall - Installing CPAN Modules
DESCRIPTION
PREAMBLE
DECOMPRESS the file, UNPACK the file into a
directory, BUILD the module (sometimes unnecessary),
INSTALL the module
HEY
AUTHOR
COPYRIGHT
perlform - Perl formats
DESCRIPTION
Format Variables
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NOTES
Footers
Accessing Formatting Internals
WARNINGS
perllocale - Perl locale handling (internationalization
and localization)
DESCRIPTION
PREPARING TO USE LOCALES
USING LOCALES
The use locale pragma
The setlocale function
Finding locales
LOCALE PROBLEMS
Temporarily fixing locale problems
Permanently fixing locale problems
Permanently fixing your locale configuration
Permanently fixing system locale configuration
The localeconv function
LOCALE CATEGORIES
Category LC_COLLATE: Collation
Category LC_CTYPE: Character Types
Category LC_NUMERIC: Numeric Formatting
Category LC_MONETARY: Formatting of monetary amounts
LC_TIME
Other categories
SECURITY
Comparison operators (lt, le, ge, gt and cmp):, Case-
mapping interpolation (with \l, \L, \u or \U), Matching
operator (m//):, Substitution operator (s///):, In-memory
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formatting function (sprintf()):, Output formatting
functions (printf() and write()):, Case-mapping functions
(lc(), lcfirst(), uc(), ucfirst()):, POSIX locale-
dependent functions (localeconv(), strcoll(),strftime(),
strxfrm()):, POSIX character class tests (isalnum(),
isalpha(), isdigit(),isgraph(), islower(), isprint(),
ispunct(), isspace(), isupper(), isxdigit()):
ENVIRONMENT
PERL_BADLANG, LC_ALL, LC_CTYPE, LC_COLLATE, LC_MONETARY,
LC_NUMERIC, LC_TIME, LANG
NOTES
Backward compatibility
I18N:Collate obsolete
Sort speed and memory use impacts
write() and LC_NUMERIC
Freely available locale definitions
I18n and l10n
An imperfect standard
BUGS
Broken systems
SEE ALSO
HISTORY
perlref - Perl references and nested data structures
DESCRIPTION
Making References
Using References
Symbolic references
Not-so-symbolic references
Pseudo-hashes: Using an array as a hash
Function Templates
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WARNING
SEE ALSO
perldsc - Perl Data Structures Cookbook
DESCRIPTION
arrays of arrays, hashes of arrays, arrays of hashes,
hashes of hashes, more elaborate constructs
REFERENCES
COMMON MISTAKES
CAVEAT ON PRECEDENCE
WHY YOU SHOULD ALWAYS use strict
DEBUGGING
CODE EXAMPLES
LISTS OF LISTS
Declaration of a LIST OF LISTS
Generation of a LIST OF LISTS
Access and Printing of a LIST OF LISTS
HASHES OF LISTS
Declaration of a HASH OF LISTS
Generation of a HASH OF LISTS
Access and Printing of a HASH OF LISTS
LISTS OF HASHES
Declaration of a LIST OF HASHES
Generation of a LIST OF HASHES
Access and Printing of a LIST OF HASHES
HASHES OF HASHES
Declaration of a HASH OF HASHES
Generation of a HASH OF HASHES
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Access and Printing of a HASH OF HASHES
MORE ELABORATE RECORDS
Declaration of MORE ELABORATE RECORDS
Declaration of a HASH OF COMPLEX RECORDS
Generation of a HASH OF COMPLEX RECORDS
Database Ties
SEE ALSO
AUTHOR
perllol, perlLoL - Manipulating Lists of Lists in Perl
DESCRIPTION
Declaration and Access of Lists of Lists
Growing Your Own
Access and Printing
Slices
SEE ALSO
AUTHOR
perltoot - Tom's object-oriented tutorial for perl
DESCRIPTION
Creating a Class
Object Representation
Class Interface
Constructors and Instance Methods
Planning for the Future: Better Constructors
Destructors
Other Object Methods
Class Data
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Accessing Class Data
Debugging Methods
Class Destructors
Documenting the Interface
Aggregation
Inheritance
Overridden Methods
Multiple Inheritance
UNIVERSAL: The Root of All Objects
Alternate Object Representations
Arrays as Objects
Closures as Objects
AUTOLOAD: Proxy Methods
Autoloaded Data Methods
Inherited Autoloaded Data Methods
Metaclassical Tools
Class::Struct
Data Members as Variables
NOTES
Object Terminology
SEE ALSO
AUTHOR AND COPYRIGHT
COPYRIGHT
Acknowledgments
perlobj - Perl objects
DESCRIPTION
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An Object is Simply a Reference
A Class is Simply a Package
A Method is Simply a Subroutine
Method Invocation
Default UNIVERSAL methods
isa(CLASS), can(METHOD), VERSION( [NEED] )
Destructors
WARNING
Summary
Two-Phased Garbage Collection
SEE ALSO
perltie - how to hide an object class in a simple variable
SYNOPSIS
DESCRIPTION
Tying Scalars
TIESCALAR classname, LIST, FETCH this, STORE this,
value, DESTROY this
Tying Arrays
TIEARRAY classname, LIST, FETCH this, index, STORE
this, index, value, DESTROY this
Tying Hashes
USER, HOME, CLOBBER, LIST, TIEHASH classname, LIST,
FETCH this, key, STORE this, key, value, DELETE this,
key, CLEAR this, EXISTS this, key, FIRSTKEY this,
NEXTKEY this, lastkey, DESTROY this
Tying FileHandles
TIEHANDLE classname, LIST, WRITE this, LIST, PRINT
this, LIST, PRINTF this, LIST, READ this, LIST,
READLINE this, GETC this, CLOSE this, DESTROY this
The untie Gotcha
SEE ALSO
BUGS
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AUTHOR
perlbot - Bag'o Object Tricks (the BOT)
DESCRIPTION
OO SCALING TIPS
INSTANCE VARIABLES
SCALAR INSTANCE VARIABLES
INSTANCE VARIABLE INHERITANCE
OBJECT RELATIONSHIPS
OVERRIDING SUPERCLASS METHODS
USING RELATIONSHIP WITH SDBM
THINKING OF CODE REUSE
CLASS CONTEXT AND THE OBJECT
INHERITING A CONSTRUCTOR
DELEGATION
perlipc - Perl interprocess communication (signals, fifos,
pipes, safe subprocesses, sockets, and semaphores)
DESCRIPTION
Signals
Named Pipes
WARNING
Using open() for IPC
Filehandles
Background Processes
Complete Dissociation of Child from Parent
Safe Pipe Opens
Bidirectional Communication with Another Process
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Bidirectional Communication with Yourself
Sockets: Client/Server Communication
Internet Line Terminators
Internet TCP Clients and Servers
Unix-Domain TCP Clients and Servers
TCP Clients with IO::Socket
A Simple Client
Proto, PeerAddr, PeerPort
A Webget Client
Interactive Client with IO::Socket
TCP Servers with IO::Socket
Proto, LocalPort, Listen, Reuse
UDP: Message Passing
SysV IPC
NOTES
BUGS
AUTHOR
SEE ALSO
perldebug - Perl debugging
DESCRIPTION
The Perl Debugger
Debugger Commands
h [command], p expr, x expr, V [pkg [vars]], X
[vars], T, s [expr], n [expr], <CR>, c [line|sub], l,
l min+incr, l min-max, l line, l subname, -, w
[line], f filename, /pattern/, ?pattern?, L, S
[[!]pattern], t, t expr, b [line] [condition], b
subname [condition], b postpone subname [condition],
b load filename, b compile subname, d [line], D, a
[line] command, A, W [expr], W, O [opt[=val]]
[opt"val"] [opt?].., recallCommand, ShellBang, pager,
tkRunning, signalLevel, warnLevel, dieLevel,
AutoTrace, LineInfo, inhibit_exit, PrintRet,
ornaments, frame, maxTraceLen, arrayDepth, hashDepth,
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compactDump, veryCompact, globPrint, DumpDBFiles,
DumpPackages, DumpReused, quote, HighBit, undefPrint,
UsageOnly, TTY, noTTY, ReadLine, NonStop, < [ command
], << command, > command, >> command, { [ command ],
{{ command, ! number, ! -number, ! pattern, !! cmd, H
-number, q or ^D, R, |dbcmd, ||dbcmd, command, m
expr, m package
Debugger input/output
Prompt, Multiline commands, Stack backtrace, Listing,
Frame listing
Debugging compile-time statements
Debugger Customization
Readline Support
Editor Support for Debugging
The Perl Profiler
Debugger support in perl
Debugger Internals
Other resources
BUGS
Debugging Perl memory usage
Using $ENV{PERL_DEBUG_MSTATS}
buckets SMALLEST(APPROX)..GREATEST(APPROX),
Free/Used, Total sbrk(): SBRKed/SBRKs:CONTINUOUS,
pad: 0, heads: 2192, chain: 0, tail: 6144
Example of using -DL switch
717, 002, 054, 602, 702, 704
-DL details
!!!, !!, !
Limitations of -DL statistic
Debugging regular expressions
Compile-time output
anchored STRING at POS, floating STRING at
POS1..POS2, matching floating/anchored, minlen,
stclass TYPE, noscan, isall, GPOS, plus, implicit,
with eval, anchored(TYPE)
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Types of nodes
Run-time output
perldiag - various Perl diagnostics
DESCRIPTION
perlsec - Perl security
DESCRIPTION
Laundering and Detecting Tainted Data
Switches On the """"#!"""" Line
Cleaning Up Your Path
Security Bugs
Protecting Your Programs
SEE ALSO
perltrap - Perl traps for the unwary
DESCRIPTION
Awk Traps
C Traps
Sed Traps
Shell Traps
Perl Traps
Perl4 to Perl5 Traps
Discontinuance, Deprecation, and BugFix traps,
Parsing Traps, Numerical Traps, General data type
traps, Context Traps - scalar, list contexts,
Precedence Traps, General Regular Expression Traps
using s///, etc, Subroutine, Signal, Sorting Traps,
OS Traps, DBM Traps, Unclassified Traps
Discontinuance, Deprecation, and BugFix traps
Discontinuance, Deprecation, BugFix, Discontinuance,
Discontinuance, Discontinuance, BugFix,
Discontinuance, Discontinuance, BugFix,
Discontinuance, Discontinuance, Deprecation,
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Discontinuance
Parsing Traps
Parsing, Parsing, Parsing, Parsing
Numerical Traps
Numerical, Numerical, Numerical
General data type traps
(Arrays), (Arrays), (Hashes), (Globs), (Globs),
(Scalar String), (Constants), (Scalars), (Variable
Suicide)
Context Traps - scalar, list contexts
(list context), (scalar context), (scalar context),
(list, builtin)
Precedence Traps
Precedence, Precedence, Precedence, Precedence,
Precedence, Precedence, Precedence
General Regular Expression Traps using s///, etc.
Regular Expression, Regular Expression, Regular
Expression, Regular Expression, Regular Expression,
Regular Expression, Regular Expression, Regular
Expression
Subroutine, Signal, Sorting Traps
(Signals), (Sort Subroutine), warn() won't let you
specify a filehandle
OS Traps
(SysV), (SysV)
Interpolation Traps
Interpolation, Interpolation, Interpolation,
Interpolation, Interpolation, Interpolation,
Interpolation, Interpolation, Interpolation
DBM Traps
DBM, DBM
Unclassified Traps
require/do trap using returned value, split on empty
string with LIMIT specified
perlport - Writing portable Perl
DESCRIPTION
Not all Perl programs have to be portable, The vast
majority of Perl is portable
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ISSUES
Newlines
File Paths
System Interaction
Interprocess Communication (IPC)
External Subroutines (XS)
Standard Modules
Time and Date
System Resources
Security
Style
CPAN TESTERS
Mailing list: cpan-testers@perl.org, Testing results:
http://www.connect.net/gbarr/cpan-test/
PLATFORMS
Unix
DOS and Derivatives
The djgpp environment for DOS,
http://www.delorie.com/djgpp/, The EMX environment
for DOS, OS/2, etc.
emx@iaehv.nl,http://www.leo.org/pub/comp/os/os2/leo/gnu/emx+gcc/index.html,
ftp://hobbes.nmsu.edu/pub/os2/dev/emx. Build
instructions for Win32, the perlwin32 manpage, The
ActiveState Pages, http://www.activestate.com/
MacPerl
The MacPerl Pages, http://www.ptf.com/macperl/, The
MacPerl mailing list, mac-perl-request@iis.ee.ethz.ch
VMS the perlvms.pod manpage, vmsperl list, vmsperl-
request@newman.upenn.edu, vmsperl on the web,
http://www.sidhe.org/vmsperl/index.html
EBCDIC Platforms
perl-mvs list, AS/400 Perl information at
http://as400.rochester.ibm.com
Other perls
Atari, Guido Flohr's page http://stud.uni-
sb.de/~gufl0000/, HP 300 MPE/iX
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http://www.cccd.edu/~markb/perlix.html, Novell
Netware
FUNCTION IMPLEMENTATIONS
Alphabetical Listing of Perl Functions
-X FILEHANDLE, -X EXPR, -X, binmode FILEHANDLE, chmod
LIST, chown LIST, chroot FILENAME, chroot, crypt
PLAINTEXT,SALT, dbmclose HASH, dbmopen
HASH,DBNAME,MODE, dump LABEL, exec LIST, fcntl
FILEHANDLE,FUNCTION,SCALAR, flock
FILEHANDLE,OPERATION, fork, getlogin, getpgrp PID,
getppid, getpriority WHICH,WHO, getpwnam NAME,
getgrnam NAME, getnetbyname NAME, getpwuid UID,
getgrgid GID, getnetbyaddr ADDR,ADDRTYPE,
getprotobynumber NUMBER, getservbyport PORT,PROTO,
getpwent, getgrent, gethostent, getnetent,
getprotoent, getservent, setpwent, setgrent,
sethostent STAYOPEN, setnetent STAYOPEN, setprotoent
STAYOPEN, setservent STAYOPEN, endpwent, endgrent,
endhostent, endnetent, endprotoent, endservent,
getsockopt SOCKET,LEVEL,OPTNAME, glob EXPR, glob,
ioctl FILEHANDLE,FUNCTION,SCALAR, kill LIST, link
OLDFILE,NEWFILE, lstat FILEHANDLE, lstat EXPR, lstat,
msgctl ID,CMD,ARG, msgget KEY,FLAGS, msgsnd
ID,MSG,FLAGS, msgrcv ID,VAR,SIZE,TYPE,FLAGS, open
FILEHANDLE,EXPR, open FILEHANDLE, pipe
READHANDLE,WRITEHANDLE, readlink EXPR, readlink,
select RBITS,WBITS,EBITS,TIMEOUT, semctl
ID,SEMNUM,CMD,ARG, semget KEY,NSEMS,FLAGS, semop
KEY,OPSTRING, setpgrp PID,PGRP, setpriority
WHICH,WHO,PRIORITY, setsockopt
SOCKET,LEVEL,OPTNAME,OPTVAL, shmctl ID,CMD,ARG,
shmget KEY,SIZE,FLAGS, shmread ID,VAR,POS,SIZE,
shmwrite ID,STRING,POS,SIZE, socketpair
SOCKET1,SOCKET2,DOMAIN,TYPE,PROTOCOL, stat
FILEHANDLE, stat EXPR, stat, symlink OLDFILE,NEWFILE,
syscall LIST, system LIST, times, truncate
FILEHANDLE,LENGTH, truncate EXPR,LENGTH, umask EXPR,
umask, utime LIST, wait, waitpid PID,FLAGS
AUTHORS / CONTRIBUTORS
VERSION
perlstyle - Perl style guide
DESCRIPTION
perlpod - plain old documentation
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DESCRIPTION
Verbatim Paragraph
Command Paragraph
Ordinary Block of Text
The Intent
Embedding Pods in Perl Modules
Common Pod Pitfalls
SEE ALSO
AUTHOR
perlbook - Perl book information
DESCRIPTION
perlembed - how to embed perl in your C program
DESCRIPTION
PREAMBLE
Use C from Perl?, Use a Unix program from Perl?, Use
Perl from Perl?, Use C from C?, Use Perl from C?
ROADMAP
Compiling your C program
Adding a Perl interpreter to your C program
Calling a Perl subroutine from your C program
Evaluating a Perl statement from your C program
Performing Perl pattern matches and substitutions from
your C program
Fiddling with the Perl stack from your C program
Maintaining a persistent interpreter
Maintaining multiple interpreter instances
Using Perl modules, which themselves use C libraries, from
your C program
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Embedding Perl under Win32
MORAL
AUTHOR
COPYRIGHT
perlapio - perl's IO abstraction interface.
SYNOPSIS
DESCRIPTION
PerlIO *, PerlIO_stdin(), PerlIO_stdout(),
PerlIO_stderr(), PerlIO_open(path, mode),
PerlIO_fdopen(fd,mode), PerlIO_printf(f,fmt,...),
PerlIO_vprintf(f,fmt,a), PerlIO_stdoutf(fmt,...),
PerlIO_read(f,buf,count), PerlIO_write(f,buf,count),
PerlIO_close(f), PerlIO_puts(f,s), PerlIO_putc(f,c),
PerlIO_ungetc(f,c), PerlIO_getc(f), PerlIO_eof(f),
PerlIO_error(f), PerlIO_fileno(f), PerlIO_clearerr(f),
PerlIO_flush(f), PerlIO_tell(f), PerlIO_seek(f,o,w),
PerlIO_getpos(f,p), PerlIO_setpos(f,p), PerlIO_rewind(f),
PerlIO_tmpfile()
Co-existence with stdio
PerlIO_importFILE(f,flags),
PerlIO_exportFILE(f,flags), PerlIO_findFILE(f),
PerlIO_releaseFILE(p,f), PerlIO_setlinebuf(f),
PerlIO_has_cntptr(f), PerlIO_get_ptr(f),
PerlIO_get_cnt(f), PerlIO_canset_cnt(f),
PerlIO_fast_gets(f), PerlIO_set_ptrcnt(f,p,c),
PerlIO_set_cnt(f,c), PerlIO_has_base(f),
PerlIO_get_base(f), PerlIO_get_bufsiz(f)
perlxs - XS language reference manual
DESCRIPTION
Introduction
On The Road
The Anatomy of an XSUB
The Argument Stack
The RETVAL Variable
The MODULE Keyword
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The PACKAGE Keyword
The PREFIX Keyword
The OUTPUT: Keyword
The CODE: Keyword
The INIT: Keyword
The NO_INIT Keyword
Initializing Function Parameters
Default Parameter Values
The PREINIT: Keyword
The SCOPE: Keyword
The INPUT: Keyword
Variable-length Parameter Lists
The C_ARGS: Keyword
The PPCODE: Keyword
Returning Undef And Empty Lists
The REQUIRE: Keyword
The CLEANUP: Keyword
The BOOT: Keyword
The VERSIONCHECK: Keyword
The PROTOTYPES: Keyword
The PROTOTYPE: Keyword
The ALIAS: Keyword
The INTERFACE: Keyword
The INTERFACE_MACRO: Keyword
The INCLUDE: Keyword
The CASE: Keyword
The & Unary Operator
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Inserting Comments and C Preprocessor Directives
Using XS With C++
Interface Strategy
Perl Objects And C Structures
The Typemap
EXAMPLES
XS VERSION
AUTHOR
perlxstut, perlXStut - Tutorial for XSUBs
DESCRIPTION
VERSION CAVEAT
DYNAMIC VERSUS STATIC
EXAMPLE 1
EXAMPLE 2
WHAT HAS GONE ON?
WRITING GOOD TEST SCRIPTS
EXAMPLE 3
WHAT'S NEW HERE?
INPUT AND OUTPUT PARAMETERS
THE XSUBPP COMPILER
THE TYPEMAP FILE
WARNING
EXAMPLE 4
WHAT HAS HAPPENED HERE?
SPECIFYING ARGUMENTS TO XSUBPP
THE ARGUMENT STACK
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EXTENDING YOUR EXTENSION
DOCUMENTING YOUR EXTENSION
INSTALLING YOUR EXTENSION
SEE ALSO
Author
Last Changed
perlguts - Perl's Internal Functions
DESCRIPTION
Variables
Datatypes
What is an """"IV""""?
Working with SVs
What's Really Stored in an SV?
Working with AVs
Working with HVs
Hash API Extensions
References
Blessed References and Class Objects
Creating New Variables
Reference Counts and Mortality
Stashes and Globs
Double-Typed SVs
Magic Variables
Assigning Magic
Magic Virtual Tables
Finding Magic
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Understanding the Magic of Tied Hashes and Arrays
Localizing changes
SAVEINT(int i), SAVEIV(IV i), SAVEI32(I32 i),
SAVELONG(long i), SAVESPTR(s), SAVEPPTR(p),
SAVEFREESV(SV *sv), SAVEFREEOP(OP *op),
SAVEFREEPV(p), SAVECLEARSV(SV *sv), SAVEDELETE(HV
*hv, char *key, I32 length), SAVEDESTRUCTOR(f,p),
SAVESTACK_POS(), SV* save_scalar(GV *gv), AV*
save_ary(GV *gv), HV* save_hash(GV *gv), void
save_item(SV *item), void save_list(SV **sarg, I32
maxsarg), SV* save_svref(SV **sptr), void
save_aptr(AV **aptr), void save_hptr(HV **hptr)
Subroutines
XSUBs and the Argument Stack
Calling Perl Routines from within C Programs
Memory Allocation
PerlIO
Putting a C value on Perl stack
Scratchpads
Scratchpads and recursion
Compiled code
Code tree
Examining the tree
Compile pass 1: check routines
Compile pass 1a: constant folding
Compile pass 2: context propagation
Compile pass 3: peephole optimization
API LISTING
av_clear, av_extend, av_fetch, AvFILL, av_len, av_make,
av_pop, av_push, av_shift, av_store, av_undef, av_unshift,
CLASS, Copy, croak, CvSTASH, PL_DBsingle, PL_DBsub,
PL_DBtrace, dMARK, dORIGMARK, PL_dowarn, dSP, dXSARGS,
dXSI32, do_binmode, ENTER, EXTEND, fbm_compile, fbm_instr,
FREETMPS, G_ARRAY, G_DISCARD, G_EVAL, GIMME, GIMME_V,
G_NOARGS, G_SCALAR, gv_fetchmeth, gv_fetchmethod,
gv_fetchmethod_autoload, G_VOID, gv_stashpv, gv_stashsv,
GvSV, HEf_SVKEY, HeHASH, HeKEY, HeKLEN, HePV, HeSVKEY,
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HeSVKEY_force, HeSVKEY_set, HeVAL, hv_clear,
hv_delayfree_ent, hv_delete, hv_delete_ent, hv_exists,
hv_exists_ent, hv_fetch, hv_fetch_ent, hv_free_ent,
hv_iterinit, hv_iterkey, hv_iterkeysv, hv_iternext,
hv_iternextsv, hv_iterval, hv_magic, HvNAME, hv_store,
hv_store_ent, hv_undef, isALNUM, isALPHA, isDIGIT,
isLOWER, isSPACE, isUPPER, items, ix, LEAVE,
looks_like_number, MARK, mg_clear, mg_copy, mg_find,
mg_free, mg_get, mg_len, mg_magical, mg_set, Move, PL_na,
New, newAV, Newc, newCONSTSUB, newHV, newRV_inc,
newRV_noinc, NEWSV, newSViv, newSVnv, newSVpv, newSVpvf,
newSVpvn, newSVrv, newSVsv, newXS, newXSproto, Newz,
Nullav, Nullch, Nullcv, Nullhv, Nullsv, ORIGMARK,
perl_alloc, perl_call_argv, perl_call_method,
perl_call_pv, perl_call_sv, perl_construct, perl_destruct,
perl_eval_sv, perl_eval_pv, perl_free, perl_get_av,
perl_get_cv, perl_get_hv, perl_get_sv, perl_parse,
perl_require_pv, perl_run, POPi, POPl, POPp, POPn, POPs,
PUSHMARK, PUSHi, PUSHn, PUSHp, PUSHs, PUSHu, PUTBACK,
Renew, Renewc, RETVAL, safefree, safemalloc, saferealloc,
savepv, savepvn, SAVETMPS, SP, SPAGAIN, ST, strEQ, strGE,
strGT, strLE, strLT, strNE, strnEQ, strnNE, sv_2mortal,
sv_bless, sv_catpv, sv_catpv_mg, sv_catpvn, sv_catpvn_mg,
sv_catpvf, sv_catpvf_mg, sv_catsv, sv_catsv_mg, sv_chop,
sv_cmp, SvCUR, SvCUR_set, sv_dec, sv_derived_from,
sv_derived_from, SvEND, sv_eq, SvGETMAGIC, SvGROW,
sv_grow, sv_inc, sv_insert, SvIOK, SvIOK_off, SvIOK_on,
SvIOK_only, SvIOKp, sv_isa, sv_isobject, SvIV, SvIVX,
SvLEN, sv_len, sv_magic, sv_mortalcopy, sv_newmortal,
SvNIOK, SvNIOK_off, SvNIOKp, PL_sv_no, SvNOK, SvNOK_off,
SvNOK_on, SvNOK_only, SvNOKp, SvNV, SvNVX, SvOK, SvOOK,
SvPOK, SvPOK_off, SvPOK_on, SvPOK_only, SvPOKp, SvPV,
SvPV_force, SvPVX, SvREFCNT, SvREFCNT_dec, SvREFCNT_inc,
SvROK, SvROK_off, SvROK_on, SvRV, SvSETMAGIC, sv_setiv,
sv_setiv_mg, sv_setnv, sv_setnv_mg, sv_setpv, sv_setpv_mg,
sv_setpviv, sv_setpviv_mg, sv_setpvn, sv_setpvn_mg,
sv_setpvf, sv_setpvf_mg, sv_setref_iv, sv_setref_nv,
sv_setref_pv, sv_setref_pvn, SvSetSV, SvSetSV_nosteal,
sv_setsv, sv_setsv_mg, sv_setuv, sv_setuv_mg, SvSTASH,
SvTAINT, SvTAINTED, SvTAINTED_off, SvTAINTED_on, SVt_IV,
SVt_PV, SVt_PVAV, SVt_PVCV, SVt_PVHV, SVt_PVMG, SVt_NV,
SvTRUE, SvTYPE, svtype, PL_sv_undef, sv_unref, SvUPGRADE,
sv_upgrade, sv_usepvn, sv_usepvn_mg, sv_vcatpvfn(sv, pat,
patlen, args, svargs, svmax, used_locale), sv_vsetpvfn(sv,
pat, patlen, args, svargs, svmax, used_locale), SvUV,
SvUVX, PL_sv_yes, THIS, toLOWER, toUPPER, warn, XPUSHi,
XPUSHn, XPUSHp, XPUSHs, XPUSHu, XS, XSRETURN,
XSRETURN_EMPTY, XSRETURN_IV, XSRETURN_NO, XSRETURN_NV,
XSRETURN_PV, XSRETURN_UNDEF, XSRETURN_YES, XST_mIV,
XST_mNV, XST_mNO, XST_mPV, XST_mUNDEF, XST_mYES,
XS_VERSION, XS_VERSION_BOOTCHECK, Zero
AUTHORS
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perlcall - Perl calling conventions from C
DESCRIPTION
An Error Handler, An Event Driven Program
THE PERL_CALL FUNCTIONS
perl_call_sv, perl_call_pv, perl_call_method,
perl_call_argv
FLAG VALUES
G_VOID
G_SCALAR
G_ARRAY
G_DISCARD
G_NOARGS
G_EVAL
G_KEEPERR
Determining the Context
KNOWN PROBLEMS
EXAMPLES
No Parameters, Nothing returned
Passing Parameters
Returning a Scalar
Returning a list of values
Returning a list in a scalar context
Returning Data from Perl via the parameter list
Using G_EVAL
Using G_KEEPERR
Using perl_call_sv
Using perl_call_argv
Using perl_call_method
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Using GIMME_V
Using Perl to dispose of temporaries
Strategies for storing Callback Context Information
1. Ignore the problem - Allow only 1 callback, 2.
Create a sequence of callbacks - hard wired limit, 3.
Use a parameter to map to the Perl callback
Alternate Stack Manipulation
Creating and calling an anonymous subroutine in C
SEE ALSO
AUTHOR
DATE
perlhist - the Perl history records
DESCRIPTION
INTRODUCTION
THE KEEPERS OF THE PUMPKIN
PUMPKIN?
THE RECORDS
SELECTED RELEASE SIZES
SELECTED PATCH SIZES
THE KEEPERS OF THE RECORDS
PRAGMA DOCUMENTATION
attrs - set/get attributes of a subroutine
SYNOPSIS
DESCRIPTION
method, locked
re - Perl pragma to alter regular expression behaviour
SYNOPSIS
DESCRIPTION
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autouse - postpone load of modules until a function is
used
SYNOPSIS
DESCRIPTION
WARNING
AUTHOR
SEE ALSO
base - Establish IS-A relationship with base class at
compile time
SYNOPSIS
DESCRIPTION
SEE ALSO
blib - Use MakeMaker's uninstalled version of a package
SYNOPSIS
DESCRIPTION
BUGS
AUTHOR
constant - Perl pragma to declare constants
SYNOPSIS
DESCRIPTION
NOTES
TECHNICAL NOTE
BUGS
AUTHOR
COPYRIGHT
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diagnostics - Perl compiler pragma to force verbose
warning diagnostics
SYNOPSIS
DESCRIPTION
The diagnostics Pragma
The splain Program
EXAMPLES
INTERNALS
BUGS
AUTHOR
fields - compile-time class fields
SYNOPSIS
DESCRIPTION
SEE ALSO
integer - Perl pragma to compute arithmetic in integer
instead of double
SYNOPSIS
DESCRIPTION
less - perl pragma to request less of something from the
compiler
SYNOPSIS
DESCRIPTION
lib - manipulate @INC at compile time
SYNOPSIS
DESCRIPTION
ADDING DIRECTORIES TO @INC
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DELETING DIRECTORIES FROM @INC
RESTORING ORIGINAL @INC
SEE ALSO
AUTHOR
locale - Perl pragma to use and avoid POSIX locales for
built-in operations
SYNOPSIS
DESCRIPTION
overload - Package for overloading perl operations
SYNOPSIS
CAVEAT SCRIPTOR
DESCRIPTION
Declaration of overloaded functions
Calling Conventions for Binary Operations
FALSE, TRUE, undef
Calling Conventions for Unary Operations
Overloadable Operations
Arithmetic operations, Comparison operations, Bit
operations, Increment and decrement, Transcendental
functions, Boolean, string and numeric conversion,
Special
Inheritance and overloading
Strings as values of use overload directive,
Overloading of an operation is inherited by derived
classes
SPECIAL SYMBOLS FOR use overload
Last Resort
Fallback
undef, TRUE, defined, but FALSE
Copy Constructor
Example
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MAGIC AUTOGENERATION
Assignment forms of arithmetic operations, Conversion
operations, Increment and decrement, abs($a), Unary minus,
Negation, Concatenation, Comparison operations, Copy
operator
WARNING
Run-time Overloading
Public functions
overload::StrVal(arg), overload::Overloaded(arg),
overload::Method(obj,op)
Overloading constants
integer, float, binary, q, qr
IMPLEMENTATION
AUTHOR
DIAGNOSTICS
BUGS
sigtrap - Perl pragma to enable simple signal handling
SYNOPSIS
DESCRIPTION
OPTIONS
SIGNAL HANDLERS
stack-trace, die, handler your-handler
SIGNAL LISTS
normal-signals, error-signals, old-interface-signals
OTHER
untrapped, any, signal, number
EXAMPLES
strict - Perl pragma to restrict unsafe constructs
SYNOPSIS
DESCRIPTION
strict refs, strict vars, strict subs
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subs - Perl pragma to predeclare sub names
SYNOPSIS
DESCRIPTION
vars - Perl pragma to predeclare global variable names
SYNOPSIS
DESCRIPTION
MODULE DOCUMENTATION
AnyDBM_File - provide framework for multiple DBMs
SYNOPSIS
DESCRIPTION
DBM Comparisons
[0], [1], [2], [3]
SEE ALSO
AutoLoader - load subroutines only on demand
SYNOPSIS
DESCRIPTION
Subroutine Stubs
Using AutoLoader's AUTOLOAD Subroutine
Overriding AutoLoader's AUTOLOAD Subroutine
Package Lexicals
AutoLoader vs. SelfLoader
CAVEATS
SEE ALSO
AutoSplit - split a package for autoloading
SYNOPSIS
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DESCRIPTION
$keep, $check, $modtime
Multiple packages
DIAGNOSTICS
B - The Perl Compiler
SYNOPSIS
DESCRIPTION
OVERVIEW OF CLASSES
SV-RELATED CLASSES
B::SV METHODS
REFCNT, FLAGS
B::IV METHODS
IV, IVX, needs64bits, packiv
B::NV METHODS
NV, NVX
B::RV METHODS
RV
B::PV METHODS
PV
B::PVMG METHODS
MAGIC, SvSTASH
B::MAGIC METHODS
MOREMAGIC, PRIVATE, TYPE, FLAGS, OBJ, PTR
B::PVLV METHODS
TARGOFF, TARGLEN, TYPE, TARG
B::BM METHODS
USEFUL, PREVIOUS, RARE, TABLE
B::GV METHODS
NAME, STASH, SV, IO, FORM, AV, HV, EGV, CV, CVGEN,
LINE, FILEGV, GvREFCNT, FLAGS
B::IO METHODS
LINES, PAGE, PAGE_LEN, LINES_LEFT, TOP_NAME, TOP_GV,
FMT_NAME, FMT_GV, BOTTOM_NAME, BOTTOM_GV, SUBPROCESS,
IoTYPE, IoFLAGS
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B::AV METHODS
FILL, MAX, OFF, ARRAY, AvFLAGS
B::CV METHODS
STASH, START, ROOT, GV, FILEGV, DEPTH, PADLIST,
OUTSIDE, XSUB, XSUBANY
B::HV METHODS
FILL, MAX, KEYS, RITER, NAME, PMROOT, ARRAY
OP-RELATED CLASSES
B::OP METHODS
next, sibling, ppaddr, desc, targ, type, seq, flags,
private
B::UNOP METHOD
first
B::BINOP METHOD
last
B::LOGOP METHOD
other
B::CONDOP METHODS
true, false
B::LISTOP METHOD
children
B::PMOP METHODS
pmreplroot, pmreplstart, pmnext, pmregexp, pmflags,
pmpermflags, precomp
B::SVOP METHOD
sv
B::GVOP METHOD
gv
B::PVOP METHOD
pv
B::LOOP METHODS
redoop, nextop, lastop
B::COP METHODS
label, stash, filegv, cop_seq, arybase, line
FUNCTIONS EXPORTED BY B
main_cv, main_root, main_start, comppadlist, sv_undef,
sv_yes, sv_no, walkoptree(OP, METHOD),
walkoptree_debug(DEBUG), walksymtable(SYMREF, METHOD,
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RECURSE), svref_2object(SV), ppname(OPNUM), hash(STR),
cast_I32(I), minus_c, cstring(STR), class(OBJ),
threadsv_names, byteload_fh(FILEHANDLE)
AUTHOR
B::Asmdata - Autogenerated data about Perl ops, used to
generate bytecode
SYNOPSIS
DESCRIPTION
AUTHOR
B::Assembler - Assemble Perl bytecode
SYNOPSIS
DESCRIPTION
AUTHOR
B::Bblock - Walk basic blocks
SYNOPSIS
DESCRIPTION
AUTHOR
B::Bytecode - Perl compiler's bytecode backend
SYNOPSIS
DESCRIPTION
OPTIONS
-ofilename, --, -f, -fcompress-nullops, -fomit-sequence-
numbers, -fbypass-nullops, -fstrip-syntax-tree, -On, -D,
-Do, -Db, -Da, -DC, -S, -m
BUGS
AUTHOR
B::C - Perl compiler's C backend
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SYNOPSIS
DESCRIPTION
OPTIONS
-ofilename, -v, --, -uPackname, -D, -Do, -Dc, -DA, -DC,
-DM, -f, -fcog, -fno-cog, -On
EXAMPLES
BUGS
AUTHOR
B::CC - Perl compiler's optimized C translation backend
SYNOPSIS
DESCRIPTION
OPTIONS
-ofilename, -v, --, -uPackname, -mModulename, -D, -Dr,
-DO, -Ds, -Dp, -Dq, -Dl, -Dt, -f, -ffreetmps-each-bblock,
-ffreetmps-each-loop, -fomit-taint, -On
EXAMPLES
BUGS
DIFFERENCES
Loops
Context of """"..""""
Arithmetic
Deprecated features
AUTHOR
B::Debug - Walk Perl syntax tree, printing debug info
about ops
SYNOPSIS
DESCRIPTION
AUTHOR
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B::Deparse - Perl compiler backend to produce perl code
SYNOPSIS
DESCRIPTION
OPTIONS
-p, -uPACKAGE, -l, -sLETTERS, C
BUGS
AUTHOR
B::Disassembler - Disassemble Perl bytecode
SYNOPSIS
DESCRIPTION
AUTHOR
B::Lint - Perl lint
SYNOPSIS
DESCRIPTION
OPTIONS AND LINT CHECKS
context, implicit-read and implicit-write, dollar-
underscore, private-names, undefined-subs, regexp-
variables, all, none
NON LINT-CHECK OPTIONS
-u Package
BUGS
AUTHOR
B::O, O - Generic interface to Perl Compiler backends
SYNOPSIS
DESCRIPTION
CONVENTIONS
IMPLEMENTATION
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AUTHOR
B::Showlex - Show lexical variables used in functions or
files
SYNOPSIS
DESCRIPTION
AUTHOR
B::Stackobj - Helper module for CC backend
SYNOPSIS
DESCRIPTION
AUTHOR
B::Terse - Walk Perl syntax tree, printing terse info
about ops
SYNOPSIS
DESCRIPTION
AUTHOR
B::Xref - Generates cross reference reports for Perl
programs
SYNOPSIS
DESCRIPTION
OPTIONS
-oFILENAME, -r, -D[tO]
BUGS
AUTHOR
Benchmark - benchmark running times of code
SYNOPSIS
DESCRIPTION
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Methods
new, debug
Standard Exports
timeit(COUNT, CODE), timethis ( COUNT, CODE, [ TITLE,
[ STYLE ]] ), timethese ( COUNT, CODEHASHREF, [ STYLE
] ), timediff ( T1, T2 ), timestr ( TIMEDIFF, [
STYLE, [ FORMAT ] ] )
Optional Exports
clearcache ( COUNT ), clearallcache ( ), disablecache
( ), enablecache ( )
NOTES
INHERITANCE
CAVEATS
AUTHORS
MODIFICATION HISTORY
CGI - Simple Common Gateway Interface Class
SYNOPSIS
ABSTRACT
DESCRIPTION
PROGRAMMING STYLE
CALLING CGI.PM ROUTINES
1. Use another name for the argument, if one is
available. Forexample, -value is an alias for
-values, 2. Change the capitalization, e.g. -Values,
3. Put quotes around the argument name, e.g.
'-values'
CREATING A NEW QUERY OBJECT (OBJECT-ORIENTED STYLE):
CREATING A NEW QUERY OBJECT FROM AN INPUT FILE
FETCHING A LIST OF KEYWORDS FROM THE QUERY:
FETCHING THE NAMES OF ALL THE PARAMETERS PASSED TO YOUR
SCRIPT:
FETCHING THE VALUE OR VALUES OF A SINGLE NAMED PARAMETER:
SETTING THE VALUE(S) OF A NAMED PARAMETER:
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APPENDING ADDITIONAL VALUES TO A NAMED PARAMETER:
IMPORTING ALL PARAMETERS INTO A NAMESPACE:
DELETING A PARAMETER COMPLETELY:
DELETING ALL PARAMETERS:
DIRECT ACCESS TO THE PARAMETER LIST:
SAVING THE STATE OF THE SCRIPT TO A FILE:
USING THE FUNCTION-ORIENTED INTERFACE
:cgi, :form, :html2, :html3, :netscape, :html,
:standard, :all
PRAGMAS
-any, -compile, -nph, -autoload, -no_debug,
-private_tempfiles
GENERATING DYNAMIC DOCUMENTS
CREATING A STANDARD HTTP HEADER:
GENERATING A REDIRECTION HEADER
CREATING THE HTML DOCUMENT HEADER
Parameters:, 4, 5, 6..
ENDING THE HTML DOCUMENT:
CREATING A SELF-REFERENCING URL THAT PRESERVES STATE
INFORMATION:
OBTAINING THE SCRIPT'S URL
-absolute, -relative, -full, -path (-path_info),
-query (-query_string)
CREATING STANDARD HTML ELEMENTS:
PROVIDING ARGUMENTS TO HTML SHORTCUTS
THE DISTRIBUTIVE PROPERTY OF HTML SHORTCUTS
HTML SHORTCUTS AND LIST INTERPOLATION
NON-STANDARD HTML SHORTCUTS
CREATING FILL-OUT FORMS:
CREATING AN ISINDEX TAG
STARTING AND ENDING A FORM
application/x-www-form-urlencoded, multipart/form-
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data
CREATING A TEXT FIELD
Parameters
CREATING A BIG TEXT FIELD
CREATING A PASSWORD FIELD
CREATING A FILE UPLOAD FIELD
Parameters
CREATING A POPUP MENU
CREATING A SCROLLING LIST
Parameters:
CREATING A GROUP OF RELATED CHECKBOXES
Parameters:
CREATING A STANDALONE CHECKBOX
Parameters:
CREATING A RADIO BUTTON GROUP
Parameters:
CREATING A SUBMIT BUTTON
Parameters:
CREATING A RESET BUTTON
CREATING A DEFAULT BUTTON
CREATING A HIDDEN FIELD
Parameters:
CREATING A CLICKABLE IMAGE BUTTON
Parameters:, 3.The third option (-align, optional) is
an alignment type, and may be TOP, BOTTOM or MIDDLE
CREATING A JAVASCRIPT ACTION BUTTON
NETSCAPE COOKIES
1. an expiration time, 2. a domain, 3. a path, 4. a
"secure" flag, -name, -value, -path, -domain, -expires,
-secure
WORKING WITH NETSCAPE FRAMES
1. Create a <Frameset> document, 2. Specify the
destination for the document in the HTTP header, 3.
Specify the destination for the document in the <FORM> tag
LIMITED SUPPORT FOR CASCADING STYLE SHEETS
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DEBUGGING
DUMPING OUT ALL THE NAME/VALUE PAIRS
FETCHING ENVIRONMENT VARIABLES
accept(), raw_cookie(), user_agent(), path_info(),
path_translated(), remote_host(), script_name()Return the
script name as a partial URL, for self-refering scripts,
referer(), auth_type (), server_name (), virtual_host (),
server_software (), remote_user (), user_name (),
request_method()
USING NPH SCRIPTS
In the use statement, By calling the nph() method:, By
using -nph parameters in the header() and redirect()
statements:
Server Push
multipart_init() multipart_init(-boundary=>$boundary);,
multipart_start(), multipart_end()
Avoiding Denial of Service Attacks
$CGI::POST_MAX, $CGI::DISABLE_UPLOADS, 1. On a script-by-
script basis, 2. Globally for all scripts
COMPATIBILITY WITH CGI-LIB.PL
AUTHOR INFORMATION
CREDITS
Matt Heffron (heffron@falstaff.css.beckman.com), James
Taylor (james.taylor@srs.gov), Scott Anguish
<sanguish@digifix.com>, Mike Jewell (mlj3u@virginia.edu),
Timothy Shimmin (tes@kbs.citri.edu.au), Joergen Haegg
(jh@axis.se), Laurent Delfosse
(delfosse@csgrad1.cs.wvu.edu), Richard Resnick
(applepi1@aol.com), Craig Bishop
(csb@barwonwater.vic.gov.au), Tony Curtis
(tc@vcpc.univie.ac.at), Tim Bunce (Tim.Bunce@ig.co.uk),
Tom Christiansen (tchrist@convex.com), Andreas Koenig
(k@franz.ww.TU-Berlin.DE), Tim MacKenzie
(Tim.MacKenzie@fulcrum.com.au), Kevin B. Hendricks
(kbhend@dogwood.tyler.wm.edu), Stephen Dahmen
(joyfire@inxpress.net), Ed Jordan (ed@fidalgo.net), David
Alan Pisoni (david@cnation.com), Doug MacEachern
(dougm@opengroup.org), Robin Houston (robin@oneworld.org),
...and many many more..
A COMPLETE EXAMPLE OF A SIMPLE FORM-BASED SCRIPT
BUGS
SEE ALSO
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CGI::Apache - Make things work with CGI.pm against Perl-
Apache API
SYNOPSIS
DESCRIPTION
NOTE 1
NOTE 2
SEE ALSO
AUTHOR
CGI::Carp, CGI::Carp - CGI routines for writing to the
HTTPD (or other) error log
SYNOPSIS
DESCRIPTION
REDIRECTING ERROR MESSAGES
MAKING PERL ERRORS APPEAR IN THE BROWSER WINDOW
Changing the default message
CHANGE LOG
AUTHORS
SEE ALSO
CGI::Cookie - Interface to Netscape Cookies
SYNOPSIS
DESCRIPTION
USING CGI::Cookie
1. expiration date, 2. domain, 3. path, 4. secure flag
Creating New Cookies
Sending the Cookie to the Browser
Recovering Previous Cookies
Manipulating Cookies
name(), value(), domain(), path(), expires()
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AUTHOR INFORMATION
BUGS
SEE ALSO
CGI::Fast - CGI Interface for Fast CGI
SYNOPSIS
DESCRIPTION
OTHER PIECES OF THE PUZZLE
WRITING FASTCGI PERL SCRIPTS
INSTALLING FASTCGI SCRIPTS
USING FASTCGI SCRIPTS AS CGI SCRIPTS
CAVEATS
AUTHOR INFORMATION
BUGS
SEE ALSO
CGI::Push - Simple Interface to Server Push
SYNOPSIS
DESCRIPTION
USING CGI::Push
-next_page, -last_page, -type, -delay, -cookie, -target,
-expires
Heterogeneous Pages
Changing the Page Delay on the Fly
INSTALLING CGI::Push SCRIPTS
CAVEATS
AUTHOR INFORMATION
BUGS
SEE ALSO
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CGI::Switch - Try more than one constructors and return
the first object available
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHOR
CPAN - query, download and build perl modules from CPAN
sites
SYNOPSIS
DESCRIPTION
Interactive Mode
Searching for authors, bundles, distribution files
and modules, make, test, install, clean modules or
distributions, readme, look module or distribution,
Signals
CPAN::Shell
autobundle
recompile
The four CPAN::* Classes: Author, Bundle, Module,
Distribution
Programmer's interface
expand($type,@things), Programming Examples
Methods in the four
Cache Manager
Bundles
Prerequisites
Finding packages and VERSION
Debugging
Floppy, Zip, and all that Jazz
CONFIGURATION
o conf <scalar option>, o conf <scalar option> <value>, o
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conf <list option>, o conf <list option> [shift|pop], o
conf <list option> [unshift|push|splice] <list>
CD-ROM support
SECURITY
EXPORT
BUGS
AUTHOR
SEE ALSO
CPAN::FirstTime - Utility for CPAN::Config file
Initialization
SYNOPSIS
DESCRIPTION
CPANox, CPAN::Nox - Wrapper around CPAN.pm without using
any XS module
SYNOPSIS
DESCRIPTION
SEE ALSO
Carp, carp - warn of errors (from perspective of
caller)
SYNOPSIS
DESCRIPTION
Forcing a Stack Trace
Class::Struct - declare struct-like datatypes as Perl
classes
SYNOPSIS
DESCRIPTION
The struct() function
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Element Types and Accessor Methods
Scalar ('$' or '*$'), Array ('@' or '*@'), Hash ('%'
or '*%'), Class ('Class_Name' or '*Class_Name')
EXAMPLES
Example 1, Example 2
Author and Modification History
Cwd, getcwd - get pathname of current working directory
SYNOPSIS
DESCRIPTION
DB_File - Perl5 access to Berkeley DB version 1.x
SYNOPSIS
DESCRIPTION
DB_HASH, DB_BTREE, DB_RECNO
Using DB_File with Berkeley DB version 2
Interface to Berkeley DB
Opening a Berkeley DB Database File
Default Parameters
In Memory Databases
DB_HASH
A Simple Example
DB_BTREE
Changing the BTREE sort order
Handling Duplicate Keys
The get_dup() Method
Matching Partial Keys
DB_RECNO
The 'bval' Option
A Simple Example
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Extra Methods
$X->push(list) ;, $value = $X->pop ;, $X->shift,
$X->unshift(list) ;, $X->length
Another Example
THE API INTERFACE
$status = $X->get($key, $value [, $flags]) ;, $status =
$X->put($key, $value [, $flags]) ;, $status = $X->del($key
[, $flags]) ;, $status = $X->fd ;, $status = $X->seq($key,
$value, $flags) ;, $status = $X->sync([$flags]) ;
HINTS AND TIPS
Locking Databases
Sharing Databases With C Applications
The untie() Gotcha
COMMON QUESTIONS
Why is there Perl source in my database?
How do I store complex data structures with DB_File?
What does """"Invalid Argument"""" mean?
What does """"Bareword 'DB_File' not allowed"""" mean?
HISTORY
BUGS
AVAILABILITY
COPYRIGHT
SEE ALSO
AUTHOR
Data::Dumper - stringified perl data structures, suitable
for both printing and eval
SYNOPSIS
DESCRIPTION
Methods
PACKAGE->new(ARRAYREF [, ARRAYREF]), $OBJ->Dump or
PACKAGE->Dump(ARRAYREF [, ARRAYREF]), $OBJ->Dumpxs or
PACKAGE->Dumpxs(ARRAYREF [, ARRAYREF]),
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$OBJ->Seen([HASHREF]), $OBJ->Values([ARRAYREF]),
$OBJ->Names([ARRAYREF]), $OBJ->Reset
Functions
Dumper(LIST), DumperX(LIST)
Configuration Variables or Methods
$Data::Dumper::Indent or $OBJ->Indent([NEWVAL]),
$Data::Dumper::Purity or $OBJ->Purity([NEWVAL]),
$Data::Dumper::Pad or $OBJ->Pad([NEWVAL]),
$Data::Dumper::Varname or $OBJ->Varname([NEWVAL]),
$Data::Dumper::Useqq or $OBJ->Useqq([NEWVAL]),
$Data::Dumper::Terse or $OBJ->Terse([NEWVAL]),
$Data::Dumper::Freezer or $OBJ->Freezer([NEWVAL]),
$Data::Dumper::Toaster or $OBJ->Toaster([NEWVAL]),
$Data::Dumper::Deepcopy
or $OBJ->Deepcopy([NEWVAL]),
$Data::Dumper::Quotekeys or
$OBJ->Quotekeys([NEWVAL]), $Data::Dumper::Bless or
$OBJ->Bless([NEWVAL])
Exports
Dumper
EXAMPLES
BUGS
AUTHOR
VERSION
SEE ALSO
Devel::SelfStubber - generate stubs for a SelfLoading
module
SYNOPSIS
DESCRIPTION
DirHandle - supply object methods for directory handles
SYNOPSIS
DESCRIPTION
English - use nice English (or awk) names for ugly
punctuation variables
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SYNOPSIS
DESCRIPTION
Env - perl module that imports environment variables
SYNOPSIS
DESCRIPTION
AUTHOR
Exporter - Implements default import method for modules
SYNOPSIS
DESCRIPTION
Selecting What To Export
Specialised Import Lists
Exporting without using Export's import method
Module Version Checking
Managing Unknown Symbols
Tag Handling Utility Functions
ExtUtils::Command - utilities to replace common UNIX
commands in Makefiles etc.
SYNOPSIS
DESCRIPTION
cat, eqtime src dst, rm_f files..., rm_f files..., touch
files .., mv source... destination, cp source...
destination, chmod mode files.., mkpath directory..,
test_f file
BUGS
SEE ALSO
AUTHOR
ExtUtils::Embed - Utilities for embedding Perl in C/C++
applications
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SYNOPSIS
DESCRIPTION
@EXPORT
FUNCTIONS
xsinit(), Examples, ldopts(), Examples, perl_inc(),
ccflags(), ccdlflags(), ccopts(), xsi_header(),
xsi_protos(@modules), xsi_body(@modules)
EXAMPLES
SEE ALSO
AUTHOR
ExtUtils::Install - install files from here to there
SYNOPSIS
DESCRIPTION
ExtUtils::Installed - Inventory management of installed
modules
SYNOPSIS
DESCRIPTION
USAGE
FUNCTIONS
new(), modules(), files(), directories(),
directory_tree(), validate(), packlist(), version()
EXAMPLE
AUTHOR
ExtUtils::Liblist - determine libraries to use and how to
use them
SYNOPSIS
DESCRIPTION
For static extensions, For dynamic extensions, For dynamic
extensions
EXTRALIBS
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LDLOADLIBS and LD_RUN_PATH
BSLOADLIBS
PORTABILITY
VMS implementation
Win32 implementation
SEE ALSO
ExtUtils::MM_OS2 - methods to override UN*X behaviour in
ExtUtils::MakeMaker
SYNOPSIS
DESCRIPTION
ExtUtils::MM_Unix - methods used by ExtUtils::MakeMaker
SYNOPSIS
DESCRIPTION
METHODS
Preloaded methods
canonpath, catdir, catfile, curdir, rootdir, updir
SelfLoaded methods
c_o (o), cflags (o), clean (o), const_cccmd (o),
const_config (o), const_loadlibs (o), constants (o),
depend (o), dir_target (o), dist (o), dist_basics
(o), dist_ci (o), dist_core (o), dist_dir (o),
dist_test (o), dlsyms (o), dynamic (o), dynamic_bs
(o), dynamic_lib (o), exescan, extliblist,
file_name_is_absolute, find_perl
Methods to actually produce chunks of text for the
Makefile
fixin, force (o), guess_name, has_link_code,
init_dirscan, init_main, init_others, install (o),
installbin (o), libscan (o), linkext (o), lsdir,
macro (o), makeaperl (o), makefile (o), manifypods
(o), maybe_command, maybe_command_in_dirs,
needs_linking (o), nicetext, parse_version,
parse_abstract, pasthru (o), path, perl_script,
perldepend (o), ppd, perm_rw (o), perm_rwx (o),
pm_to_blib, post_constants (o), post_initialize (o),
postamble (o), prefixify, processPL (o), realclean
(o), replace_manpage_separator, static (o),
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static_lib (o), staticmake (o), subdir_x (o), subdirs
(o), test (o), test_via_harness (o), test_via_script
(o), tool_autosplit (o), tools_other (o), tool_xsubpp
(o), top_targets (o), writedoc, xs_c (o), xs_o (o),
perl_archive, export_list
SEE ALSO
ExtUtils::MM_VMS - methods to override UN*X behaviour in
ExtUtils::MakeMaker
SYNOPSIS
DESCRIPTION
Methods always loaded
eliminate_macros, fixpath, catdir, catfile, wraplist,
curdir (override), rootdir (override), updir
(override)
SelfLoaded methods
guess_name (override), find_perl (override), path
(override), maybe_command (override),
maybe_command_in_dirs (override), perl_script
(override), file_name_is_absolute (override),
replace_manpage_separator, init_others (override),
constants (override), cflags (override), const_cccmd
(override), pm_to_blib (override), tool_autosplit
(override), tool_sxubpp (override), xsubpp_version
(override), tools_other (override), dist (override),
c_o (override), xs_c (override), xs_o (override),
top_targets (override), dlsyms (override),
dynamic_lib (override), dynamic_bs (override),
static_lib (override), manifypods (override),
processPL (override), installbin (override), subdir_x
(override), clean (override), realclean (override),
dist_basics (override), dist_core (override),
dist_dir (override), dist_test (override), install
(override), perldepend (override), makefile
(override), test (override), test_via_harness
(override), test_via_script (override), makeaperl
(override), nicetext (override)
ExtUtils::MM_Win32 - methods to override UN*X behaviour in
ExtUtils::MakeMaker
SYNOPSIS
DESCRIPTION
catfile, constants (o), static_lib (o), dynamic_bs (o),
dynamic_lib (o), canonpath, perl_script, pm_to_blib,
test_via_harness (o), tool_autosplit (override),
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tools_other (o), xs_o (o), top_targets (o), manifypods
(o), dist_ci (o), dist_core (o), pasthru (o)
ExtUtils::MakeMaker - create an extension Makefile
SYNOPSIS
DESCRIPTION
How To Write A Makefile.PL
Default Makefile Behaviour
make test
make testdb
make install
PREFIX and LIB attribute
AFS users
Static Linking of a new Perl Binary
Determination of Perl Library and Installation Locations
Which architecture dependent directory?
Using Attributes and Parameters
C, CCFLAGS, CONFIG, CONFIGURE, DEFINE, DIR, DISTNAME,
DL_FUNCS, DL_VARS, EXCLUDE_EXT, EXE_FILES, NO_VC,
FIRST_MAKEFILE, FULLPERL, H, IMPORTS, INC,
INCLUDE_EXT, INSTALLARCHLIB, INSTALLBIN, INSTALLDIRS,
INSTALLMAN1DIR, INSTALLMAN3DIR, INSTALLPRIVLIB,
INSTALLSCRIPT, INSTALLSITELIB, INSTALLSITEARCH,
INST_ARCHLIB, INST_BIN, INST_EXE, INST_LIB,
INST_MAN1DIR, INST_MAN3DIR, INST_SCRIPT, LDFROM,
LIBPERL_A, LIB, LIBS, LINKTYPE, MAKEAPERL, MAKEFILE,
MAN1PODS, MAN3PODS, MAP_TARGET, MYEXTLIB, NAME,
NEEDS_LINKING, NOECHO, NORECURS, OBJECT, OPTIMIZE,
PERL, PERLMAINCC, PERL_ARCHLIB, PERL_LIB, PERL_SRC,
PERM_RW, PERM_RWX, PL_FILES, PM, PMLIBDIRS, PREFIX,
PREREQ_PM, SKIP, TYPEMAPS, VERSION, VERSION_FROM, XS,
XSOPT, XSPROTOARG, XS_VERSION
Additional lowercase attributes
clean, depend, dist, dynamic_lib, installpm, linkext,
macro, realclean, tool_autosplit
Overriding MakeMaker Methods
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Hintsfile support
Distribution Support
make distcheck, make skipcheck, make
distclean, make manifest, make distdir, make
tardist, make dist, make uutardist, make
shdist, make zipdist, make ci
Disabling an extension
SEE ALSO
AUTHORS
ExtUtils::Manifest - utilities to write and check a
MANIFEST file
SYNOPSIS
DESCRIPTION
MANIFEST.SKIP
EXPORT_OK
GLOBAL VARIABLES
DIAGNOSTICS
Not in MANIFEST: file, No such file: file, MANIFEST: $!,
Added to MANIFEST: file
SEE ALSO
AUTHOR
ExtUtils::Mkbootstrap - make a bootstrap file for use by
DynaLoader
SYNOPSIS
DESCRIPTION
ExtUtils::Mksymlists - write linker options files for
dynamic extension
SYNOPSIS
DESCRIPTION
NAME, DL_FUNCS, DL_VARS, FILE, FUNCLIST, DLBASE
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AUTHOR
REVISION
ExtUtils::Packlist - manage .packlist files
SYNOPSIS
DESCRIPTION
USAGE
FUNCTIONS
new(), read(), write(), validate(), packlist_file()
EXAMPLE
AUTHOR
ExtUtils::testlib - add blib/* directories to @INC
SYNOPSIS
DESCRIPTION
Fatal - replace functions with equivalents which succeed
or die
SYNOPSIS
DESCRIPTION
AUTHOR
Fcntl - load the C Fcntl.h defines
SYNOPSIS
DESCRIPTION
NOTE
EXPORTED SYMBOLS
File::Basename, fileparse - split a pathname into pieces
SYNOPSIS
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DESCRIPTION
fileparse_set_fstype, fileparse
EXAMPLES
basename, dirname
File::CheckTree, validate - run many filetest checks on a
tree
SYNOPSIS
DESCRIPTION
File::Compare - Compare files or filehandles
SYNOPSIS
DESCRIPTION
RETURN
AUTHOR
File::Copy - Copy files or filehandles
SYNOPSIS
DESCRIPTION
Special behavior if syscopy is defined (VMS and OS/2)
rmscopy($from,$to[,$date_flag])
RETURN
AUTHOR
File::DosGlob - DOS like globbing and then some
SYNOPSIS
DESCRIPTION
EXPORTS (by request only)
BUGS
AUTHOR
HISTORY
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SEE ALSO
File::Find, find - traverse a file tree
SYNOPSIS
DESCRIPTION
BUGS
File::Path - create or remove a series of directories
SYNOPSIS
DESCRIPTION
AUTHORS
REVISION
File::Spec - portably perform operations on file names
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHORS
File::Spec::Mac - File::Spec for MacOS
SYNOPSIS
DESCRIPTION
METHODS
canonpath, catdir, catfile, curdir, rootdir, updir,
file_name_is_absolute, path
SEE ALSO
File::Spec::OS2 - methods for OS/2 file specs
SYNOPSIS
DESCRIPTION
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File::Spec::Unix - methods used by File::Spec
SYNOPSIS
DESCRIPTION
METHODS
canonpath, catdir, catfile, curdir, rootdir, updir,
no_upwards, file_name_is_absolute, path, join, nativename
SEE ALSO
File::Spec::VMS - methods for VMS file specs
SYNOPSIS
DESCRIPTION
Methods always loaded
catdir, catfile, curdir (override), rootdir
(override), updir (override), path (override),
file_name_is_absolute (override)
File::Spec::Win32 - methods for Win32 file specs
SYNOPSIS
DESCRIPTION
catfile, canonpath
File::stat - by-name interface to Perl's built-in stat()
functions
SYNOPSIS
DESCRIPTION
NOTE
AUTHOR
FileCache - keep more files open than the system permits
SYNOPSIS
DESCRIPTION
BUGS
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FileHandle - supply object methods for filehandles
SYNOPSIS
DESCRIPTION
$fh->print, $fh->printf, $fh->getline, $fh->getlines
SEE ALSO
FindBin - Locate directory of original perl script
SYNOPSIS
DESCRIPTION
EXPORTABLE VARIABLES
KNOWN BUGS
AUTHORS
COPYRIGHT
REVISION
GDBM_File - Perl5 access to the gdbm library.
SYNOPSIS
DESCRIPTION
AVAILABILITY
BUGS
SEE ALSO
Getopt::Long, GetOptions - extended processing of command
line options
SYNOPSIS
DESCRIPTION
!, +, :s, :i, :f
Linkage specification
Aliases and abbreviations
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Non-option call-back routine
Option starters
Return values and Errors
COMPATIBILITY
EXAMPLES
CONFIGURATION OPTIONS
default, auto_abbrev, getopt_compat, require_order,
permute, bundling (default: reset), bundling_override
(default: reset), ignore_case (default: set),
ignore_case_always (default: reset), pass_through
(default: reset), prefix, prefix_pattern, debug (default:
reset)
OTHER USEFUL VARIABLES
$Getopt::Long::VERSION, $Getopt::Long::error
AUTHOR
COPYRIGHT AND DISCLAIMER
Getopt::Std, getopt - Process single-character switches
with switch clustering
SYNOPSIS
DESCRIPTION
I18N::Collate - compare 8-bit scalar data according to the
current locale
SYNOPSIS
DESCRIPTION
IO - load various IO modules
SYNOPSIS
DESCRIPTION
IO::lib::IO::File, IO::File - supply object methods for
filehandles
SYNOPSIS
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DESCRIPTION
CONSTRUCTOR
new ([ ARGS ] ), new_tmpfile
METHODS
open( FILENAME [,MODE [,PERMS]] )
SEE ALSO
HISTORY
IO::lib::IO::Handle, IO::Handle - supply object methods
for I/O handles
SYNOPSIS
DESCRIPTION
CONSTRUCTOR
new (), new_from_fd ( FD, MODE )
METHODS
$fh->fdopen ( FD, MODE ), $fh->opened, $fh->getline,
$fh->getlines, $fh->ungetc ( ORD ), $fh->write ( BUF, LEN
[, OFFSET }\] ), $fh->flush, $fh->error, $fh->clearerr,
$fh->untaint
NOTE
SEE ALSO
BUGS
HISTORY
IO::lib::IO::Pipe, IO::pipe - supply object methods for
pipes
SYNOPSIS
DESCRIPTION
CONSTRCUTOR
new ( [READER, WRITER] )
METHODS
reader ([ARGS]), writer ([ARGS]), handles ()
SEE ALSO
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AUTHOR
COPYRIGHT
IO::lib::IO::Seekable, IO::Seekable - supply seek based
methods for I/O objects
SYNOPSIS
DESCRIPTION
SEE ALSO
HISTORY
IO::lib::IO::Select, IO::Select - OO interface to the
select system call
SYNOPSIS
DESCRIPTION
CONSTRUCTOR
new ( [ HANDLES ] )
METHODS
add ( HANDLES ), remove ( HANDLES ), exists ( HANDLE ),
handles, can_read ( [ TIMEOUT ] ), can_write ( [ TIMEOUT ]
), has_error ( [ TIMEOUT ] ), count (), bits(), bits(),
select ( READ, WRITE, ERROR [, TIMEOUT ] )
EXAMPLE
AUTHOR
COPYRIGHT
IO::lib::IO::Socket, IO::Socket - Object interface to
socket communications
SYNOPSIS
DESCRIPTION
CONSTRUCTOR
new ( [ARGS] )
METHODS
accept([PKG]), timeout([VAL]), sockopt(OPT [, VAL]),
sockdomain, socktype, protocol
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SUB-CLASSES
IO::Socket::INET
METHODS
sockaddr (), sockport (), sockhost (), peeraddr (),
peerport (), peerhost ()
IO::Socket::UNIX
METHODS
hostpath(), peerpath()
SEE ALSO
AUTHOR
COPYRIGHT
IPC::Open2, open2 - open a process for both reading and
writing
SYNOPSIS
DESCRIPTION
WARNING
SEE ALSO
IPC::Open3, open3 - open a process for reading, writing,
and error handling
SYNOPSIS
DESCRIPTION
WARNING
IPC::SysV - SysV IPC constants
SYNOPSIS
DESCRIPTION
ftok( PATH, ID )
SEE ALSO
AUTHORS
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COPYRIGHT
IPC::SysV::Msg, IPC::Msg - SysV Msg IPC object class
SYNOPSIS
DESCRIPTION
METHODS
new ( KEY , FLAGS ), id, rcv ( BUF, LEN [, TYPE [, FLAGS
]] ), remove, set ( STAT ), set ( NAME => VALUE [, NAME =>
VALUE ...] ), snd ( TYPE, MSG [, FLAGS ] ), stat
SEE ALSO
AUTHOR
COPYRIGHT
IPC::SysV::Semaphore, IPC::Semaphore - SysV Semaphore IPC
object class
SYNOPSIS
DESCRIPTION
METHODS
new ( KEY , NSEMS , FLAGS ), getall, getncnt ( SEM ),
getpid ( SEM ), getval ( SEM ), getzcnt ( SEM ), id, op (
OPLIST ), remove, set ( STAT ), set ( NAME => VALUE [,
NAME => VALUE ...] ), setall ( VALUES ), setval ( N ,
VALUE ), stat
SEE ALSO
AUTHOR
COPYRIGHT
Math::BigFloat - Arbitrary length float math package
SYNOPSIS
DESCRIPTION
number format, Error returns 'NaN', Division is computed
to
BUGS
AUTHOR
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Math::BigInt - Arbitrary size integer math package
SYNOPSIS
DESCRIPTION
Canonical notation, Input, Output
EXAMPLES
Autocreating constants
BUGS
AUTHOR
Math::Complex - complex numbers and associated
mathematical functions
SYNOPSIS
DESCRIPTION
OPERATIONS
CREATION
STRINGIFICATION
USAGE
ERRORS DUE TO DIVISION BY ZERO OR LOGARITHM OF ZERO
ERRORS DUE TO INDIGESTIBLE ARGUMENTS
BUGS
AUTHORS
Math::Trig - trigonometric functions
SYNOPSIS
DESCRIPTION
TRIGONOMETRIC FUNCTIONS
tan
ERRORS DUE TO DIVISION BY ZERO
SIMPLE (REAL) ARGUMENTS, COMPLEX RESULTS
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PLANE ANGLE CONVERSIONS
RADIAL COORDINATE CONVERSIONS
COORDINATE SYSTEMS
3-D ANGLE CONVERSIONS
cartesian_to_cylindrical, cartesian_to_spherical,
cylindrical_to_cartesian, cylindrical_to_spherical,
spherical_to_cartesian, spherical_to_cylindrical
GREAT CIRCLE DISTANCES
EXAMPLES
BUGS
AUTHORS
NDBM_File - Tied access to ndbm files
SYNOPSIS
DESCRIPTION
Net::Ping - check a remote host for reachability
SYNOPSIS
DESCRIPTION
Functions
Net::Ping->new([$proto [, $def_timeout [,
$bytes]]]);, $p->ping($host [, $timeout]);,
$p->close();, pingecho($host [, $timeout]);
WARNING
NOTES
Net::hostent - by-name interface to Perl's built-in
gethost*() functions
SYNOPSIS
DESCRIPTION
EXAMPLES
NOTE
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AUTHOR
Net::netent - by-name interface to Perl's built-in
getnet*() functions
SYNOPSIS
DESCRIPTION
EXAMPLES
NOTE
AUTHOR
Net::protoent - by-name interface to Perl's built-in
getproto*() functions
SYNOPSIS
DESCRIPTION
NOTE
AUTHOR
Net::servent - by-name interface to Perl's built-in
getserv*() functions
SYNOPSIS
DESCRIPTION
EXAMPLES
NOTE
AUTHOR
ODBM_File - Tied access to odbm files
SYNOPSIS
DESCRIPTION
Opcode - Disable named opcodes when compiling perl code
SYNOPSIS
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DESCRIPTION
NOTE
WARNING
Operator Names and Operator Lists
an operator name (opname), an operator tag name (optag), a
negated opname or optag, an operator set (opset)
Opcode Functions
opcodes, opset (OP, ...), opset_to_ops (OPSET),
opset_to_hex (OPSET), full_opset, empty_opset,
invert_opset (OPSET), verify_opset (OPSET, ...),
define_optag (OPTAG, OPSET), opmask_add (OPSET), opmask,
opdesc (OP, ...), opdump (PAT)
Manipulating Opsets
TO DO (maybe)
Predefined Opcode Tags
:base_core, :base_mem, :base_loop, :base_io, :base_orig,
:base_math, :base_thread, :default, :filesys_read,
:sys_db, :browse, :filesys_open, :filesys_write,
:subprocess, :ownprocess, :others, :still_to_be_decided,
:dangerous
SEE ALSO
AUTHORS
Opcode::Safe, Safe - Compile and execute code in
restricted compartments
SYNOPSIS
DESCRIPTION
a new namespace, an operator mask
WARNING
RECENT CHANGES
Methods in class Safe
permit (OP, ...), permit_only (OP, ...), deny (OP,
...), deny_only (OP, ...), trap (OP, ...), untrap
(OP, ...), share (NAME, ...), share_from (PACKAGE,
ARRAYREF), varglob (VARNAME), reval (STRING), rdo
(FILENAME), root (NAMESPACE), mask (MASK)
Some Safety Issues
Memory, CPU, Snooping, Signals, State Changes
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AUTHOR
Opcode::ops, ops - Perl pragma to restrict unsafe
operations when compiling
SYNOPSIS
DESCRIPTION
SEE ALSO
POSIX - Perl interface to IEEE Std 1003.1
SYNOPSIS
DESCRIPTION
NOTE
CAVEATS
FUNCTIONS
_exit, abort, abs, access, acos, alarm, asctime, asin,
assert, atan, atan2, atexit, atof, atoi, atol, bsearch,
calloc, ceil, chdir, chmod, chown, clearerr, clock, close,
closedir, cos, cosh, creat, ctermid, ctime, cuserid,
difftime, div, dup, dup2, errno, execl, execle, execlp,
execv, execve, execvp, exit, exp, fabs, fclose, fcntl,
fdopen, feof, ferror, fflush, fgetc, fgetpos, fgets,
fileno, floor, fmod, fopen, fork, fpathconf, fprintf,
fputc, fputs, fread, free, freopen, frexp, fscanf, fseek,
fsetpos, fstat, ftell, fwrite, getc, getchar, getcwd,
getegid, getenv, geteuid, getgid, getgrgid, getgrnam,
getgroups, getlogin, getpgrp, getpid, getppid, getpwnam,
getpwuid, gets, getuid, gmtime, isalnum, isalpha, isatty,
iscntrl, isdigit, isgraph, islower, isprint, ispunct,
isspace, isupper, isxdigit, kill, labs, ldexp, ldiv, link,
localeconv, localtime, log, log10, longjmp, lseek, malloc,
mblen, mbstowcs, mbtowc, memchr, memcmp, memcpy, memmove,
memset, mkdir, mkfifo, mktime, modf, nice, offsetof, open,
opendir, pathconf, pause, perror, pipe, pow, printf, putc,
putchar, puts, qsort, raise, rand, read, readdir, realloc,
remove, rename, rewind, rewinddir, rmdir, scanf, setgid,
setjmp, setlocale, setpgid, setsid, setuid, sigaction,
siglongjmp, sigpending, sigprocmask, sigsetjmp,
sigsuspend, sin, sinh, sleep, sprintf, sqrt, srand,
sscanf, stat, strcat, strchr, strcmp, strcoll, strcpy,
strcspn, strerror, strftime, strlen, strncat, strncmp,
strncpy, stroul, strpbrk, strrchr, strspn, strstr, strtod,
strtok, strtol, strtoul, strxfrm, sysconf, system, tan,
tanh, tcdrain, tcflow, tcflush, tcgetpgrp, tcsendbreak,
tcsetpgrp, time, times, tmpfile, tmpnam, tolower, toupper,
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ttyname, tzname, tzset, umask, uname, ungetc, unlink,
utime, vfprintf, vprintf, vsprintf, wait, waitpid,
wcstombs, wctomb, write
CLASSES
POSIX::SigAction
new
POSIX::SigSet
new, addset, delset, emptyset, fillset, ismember
POSIX::Termios
new, getattr, getcc, getcflag, getiflag, getispeed,
getlflag, getoflag, getospeed, setattr, setcc,
setcflag, setiflag, setispeed, setlflag, setoflag,
setospeed, Baud rate values, Terminal interface
values, c_cc field values, c_cflag field values,
c_iflag field values, c_lflag field values, c_oflag
field values
PATHNAME CONSTANTS
Constants
POSIX CONSTANTS
Constants
SYSTEM CONFIGURATION
Constants
ERRNO
Constants
FCNTL
Constants
FLOAT
Constants
LIMITS
Constants
LOCALE
Constants
MATH
Constants
SIGNAL
Constants
STAT
Constants, Macros
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STDLIB
Constants
STDIO
Constants
TIME
Constants
UNISTD
Constants
WAIT
Constants, Macros
CREATION
Pod::Html - module to convert pod files to HTML
SYNOPSIS
DESCRIPTION
ARGUMENTS
help, htmlroot, infile, outfile, podroot, podpath,
libpods, netscape, nonetscape, index, noindex, recurse,
norecurse, title, verbose
EXAMPLE
AUTHOR
BUGS
SEE ALSO
COPYRIGHT
Pod::Text - convert POD data to formatted ASCII text
SYNOPSIS
DESCRIPTION
AUTHOR
TODO
SDBM_File - Tied access to sdbm files
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SYNOPSIS
DESCRIPTION
Search::Dict, look - search for key in dictionary file
SYNOPSIS
DESCRIPTION
SelectSaver - save and restore selected file handle
SYNOPSIS
DESCRIPTION
SelfLoader - load functions only on demand
SYNOPSIS
DESCRIPTION
The __DATA__ token
SelfLoader autoloading
Autoloading and package lexicals
SelfLoader and AutoLoader
__DATA__, __END__, and the FOOBAR::DATA filehandle.
Classes and inherited methods.
Multiple packages and fully qualified subroutine names
Shell - run shell commands transparently within perl
SYNOPSIS
DESCRIPTION
AUTHOR
Socket, sockaddr_in, sockaddr_un, inet_aton, inet_ntoa -
load the C socket.h defines and structure manipulators
SYNOPSIS
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DESCRIPTION
inet_aton HOSTNAME, inet_ntoa IP_ADDRESS, INADDR_ANY,
INADDR_BROADCAST, INADDR_LOOPBACK, INADDR_NONE,
sockaddr_in PORT, ADDRESS, sockaddr_in SOCKADDR_IN,
pack_sockaddr_in PORT, IP_ADDRESS, unpack_sockaddr_in
SOCKADDR_IN, sockaddr_un PATHNAME, sockaddr_un
SOCKADDR_UN, pack_sockaddr_un PATH, unpack_sockaddr_un
SOCKADDR_UN
Symbol - manipulate Perl symbols and their names
SYNOPSIS
DESCRIPTION
Sys::Hostname - Try every conceivable way to get hostname
SYNOPSIS
DESCRIPTION
AUTHOR
Syslog, Sys::Syslog, openlog, closelog, setlogmask, syslog
- Perl interface to the UNIX syslog(3) calls
SYNOPSIS
DESCRIPTION
openlog $ident, $logopt, $facility, syslog $priority,
$format, @args, setlogmask $mask_priority, setlogsock
$sock_type (added in 5.004_02), closelog
EXAMPLES
DEPENDENCIES
SEE ALSO
AUTHOR
Term::Cap - Perl termcap interface
SYNOPSIS
DESCRIPTION
EXAMPLES
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Term::Complete - Perl word completion module
SYNOPSIS
DESCRIPTION
<tab>, ^D, ^U, <del>, <bs>
DIAGNOSTICS
BUGS
AUTHOR
Term::ReadLine - Perl interface to various readline
packages. If no real package is found, substitutes stubs
instead of basic functions.
SYNOPSIS
DESCRIPTION
Minimal set of supported functions
ReadLine, new, readline, addhistory, IN, $OUT, MinLine,
findConsole, Attribs, Features
Additional supported functions
tkRunning, ornaments, newTTY
EXPORTS
ENVIRONMENT
Test - provides a simple framework for writing test
scripts
SYNOPSIS
DESCRIPTION
TEST TYPES
NORMAL TESTS, SKIPPED TESTS, TODO TESTS
ONFAIL
SEE ALSO
AUTHOR
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Test::Harness - run perl standard test scripts with
statistics
SYNOPSIS
DESCRIPTION
The test script output
EXPORT
DIAGNOSTICS
All tests successful.\nFiles=%d, Tests=%d, %s, FAILED
tests %s\n\tFailed %d/%d tests, %.2f%% okay., Test
returned status %d (wstat %d), Failed 1 test, %.2f%% okay.
%s, Failed %d/%d tests, %.2f%% okay. %s
ENVIRONMENT
SEE ALSO
AUTHORS
BUGS
Text::Abbrev, abbrev - create an abbreviation table from a
list
SYNOPSIS
DESCRIPTION
EXAMPLE
Text::ParseWords - parse text into an array of tokens or
array of arrays
SYNOPSIS
DESCRIPTION
EXAMPLES
0a simple word, 1multiple spaces are skipped because of
our $delim, 2use of quotes to include a space in a word,
3use of a backslash to include a space in a word, 4use of
a backslash to remove the special meaning of a double-
quote, 5another simple word (note the lack of effect of
the backslashed double-quote)
AUTHORS
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Text::Soundex - Implementation of the Soundex Algorithm as
Described by Knuth
SYNOPSIS
DESCRIPTION
EXAMPLES
LIMITATIONS
AUTHOR
Text::Tabs -- expand and unexpand tabs per the unix
expand(1) and unexpand(1)
SYNOPSIS
DESCRIPTION
BUGS
AUTHOR
Text::Wrap - line wrapping to form simple paragraphs
SYNOPSIS
DESCRIPTION
EXAMPLE
BUGS
AUTHOR
Thread - multithreading
SYNOPSIS
DESCRIPTION
FUNCTIONS
new \&start_sub, new \&start_sub, LIST, lock VARIABLE,
async BLOCK;, Thread->self, Thread->list, cond_wait
VARIABLE, cond_signal VARIABLE, cond_broadcast VARIABLE
METHODS
join, eval, tid
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LIMITATIONS
SEE ALSO
Thread::Queue - thread-safe queues
SYNOPSIS
DESCRIPTION
FUNCTIONS AND METHODS
new, enqueue LIST, dequeue, dequeue_nb, pending
SEE ALSO
Thread::Semaphore - thread-safe semaphores
SYNOPSIS
DESCRIPTION
FUNCTIONS AND METHODS
new, new NUMBER, down, down NUMBER, up, up NUMBER
Thread::Signal - Start a thread which runs signal handlers
reliably
SYNOPSIS
DESCRIPTION
BUGS
Thread::Specific - thread-specific keys
SYNOPSIS
Tie::Array - base class for tied arrays
SYNOPSIS
DESCRIPTION
TIEARRAY classname, LIST, STORE this, index, value, FETCH
this, index, FETCHSIZE this, STORESIZE this, count, EXTEND
this, count, CLEAR this, DESTROY this, PUSH this, LIST,
POP this, SHIFT this, UNSHIFT this, LIST, SPLICE this,
offset, length, LIST
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CAVEATS
AUTHOR
Tie::Handle - base class definitions for tied handles
SYNOPSIS
DESCRIPTION
TIEHANDLE classname, LIST, WRITE this, scalar, length,
offset, PRINT this, LIST, PRINTF this, format, LIST, READ
this, scalar, length, offset, READLINE this, GETC this,
DESTROY this
MORE INFORMATION
Tie::Hash, Tie::StdHash - base class definitions for tied
hashes
SYNOPSIS
DESCRIPTION
TIEHASH classname, LIST, STORE this, key, value, FETCH
this, key, FIRSTKEY this, NEXTKEY this, lastkey, EXISTS
this, key, DELETE this, key, CLEAR this
CAVEATS
MORE INFORMATION
Tie::RefHash - use references as hash keys
SYNOPSIS
DESCRIPTION
EXAMPLE
AUTHOR
VERSION
SEE ALSO
Tie::Scalar, Tie::StdScalar - base class definitions for
tied scalars
SYNOPSIS
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DESCRIPTION
TIESCALAR classname, LIST, FETCH this, STORE this, value,
DESTROY this
MORE INFORMATION
Tie::SubstrHash - Fixed-table-size, fixed-key-length
hashing
SYNOPSIS
DESCRIPTION
CAVEATS
Time::Local - efficiently compute time from local and GMT
time
SYNOPSIS
DESCRIPTION
Time::gmtime - by-name interface to Perl's built-in
gmtime() function
SYNOPSIS
DESCRIPTION
NOTE
AUTHOR
Time::localtime - by-name interface to Perl's built-in
localtime() function
SYNOPSIS
DESCRIPTION
NOTE
AUTHOR
Time::tm - internal object used by Time::gmtime and
Time::localtime
SYNOPSIS
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DESCRIPTION
AUTHOR
UNIVERSAL - base class for ALL classes (blessed
references)
SYNOPSIS
DESCRIPTION
isa ( TYPE ), can ( METHOD ), VERSION ( [ REQUIRE ] ),
UNIVERSAL::isa ( VAL, TYPE ), UNIVERSAL::can ( VAL, METHOD
)
User::grent - by-name interface to Perl's built-in
getgr*() functions
SYNOPSIS
DESCRIPTION
NOTE
AUTHOR
User::pwent - by-name interface to Perl's built-in
getpw*() functions
SYNOPSIS
DESCRIPTION
NOTE
AUTHOR
AUXILIARY DOCUMENTATION
Here should be listed all the extra programs'
documentation, but they don't all have manual pages yet:
a2p
s2p
find2perl
h2ph
c2ph
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h2xs
xsubpp
pod2man
wrapsuid
AUTHOR
Larry Wall <larry@wall.org>, with the help of oodles of
other folks.
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29/Apr/1999 perl 5.005, patch 03 106
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others. |
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