comp.lang.awk FAQ

sed FAQ, version 011

Reading Describe (OS/2) Documents Under Linux? [ 2000/04/06]

Questions and Answers

file2c(1) - convert file to c-source. {oss}

rs(1) - reshape a data array {oss}

dd(1) - convert and copy a file {oss}

deroff(1) - remove roff and preprocessor constructs {oss}

cut(1) - select portions of each line of a file {oss}

lam(1) - laminate files {oss}

diff(1) - find differences between two files {oss}

diff3(1) - find differences between three files {oss}

expand unexpand(1) - expand tabs to spaces, and vice versa {oss}

merge(1) - three-way file merge {oss}

patch(1) - apply a diff file to an original {oss}

split(1) - split a file into pieces {oss}

sdiff(1) - find differences between two files and merge interactively {oss}

od(1) - octal, decimal, hex, ascii dump {oss}

hexdump(1) - ascii, decimal, hexadecimal, octal dump {oss}

paste(1) - merge corresponding or subsequent lines of files {oss}

rev(1) - reverse lines of a file {oss}

sed(1) - stream editor {oss}

cat(1) - concatenate and print files {oss}

cmp(1) - compare two files {oss}

col(1) - filter reverse line feeds from input {oss}

colcrt(1) - filter nroff output for CRT previewing {oss}

colrm(1) - remove columns from a file {oss}

column(1) - columnate lists {oss}

comm(1) - select or reject lines common to two files {oss}

cp(1) - copy files {oss}

strings(1) - find printable strings in a file {oss}

tr(1) - translate characters {oss}

ul(1) - do underlining {oss}

uniq(1) - report or filter out repeated lines in a file {oss}

unvis(1) - revert a visual representation of data back to original form {oss}

uuencode uudecode(1) - encode/decode a binary file {oss}

vis(1) - display non-printable characters in a visual format {oss}

wc(1) - Word, line, and byte count. {oss}

Fileutils - are: 'chgrp', 'chmod', 'chown', 'cp', 'dd', 'df', 'dir', 'dircolors', 'du', 'install', 'ln', 'ls', 'mkdir', 'mkfifo', 'mknod', 'mv', 'rm', 'rmdir', 'sync', 'touch', and 'vdir'. {GPL,GNU}

Diffutils - includes GNU 'diff', which compares files showing line-by-line changes in several flexible formats. {GPL,GNU}

ed - is the standard text editor. It is line-oriented and can be used interactively or in scripts. {GPL,GNU}

wdiff - is a front-end to GNU 'diff'. It compares two files, finding the words deleted or added to the first to make the second. {GPL,GNU}

patch - is our version of Larry Wall's program to take 'diff''s output and apply those differences to an original file to generate the modified version. {GPL,GNU}

comm - compare two sorted files line by line {GPL,GNU}

csplit - split a file into sections determined by context lines {GPL,GNU}

cut - remove sections from each line of files {GPL,GNU}

expand - convert tabs to spaces {GPL,GNU}

fold - wrap each input line to fit in specified width {GPL,GNU}

join - join lines of two files on a common field {GPL,GNU}

paste - merge lines of files {GPL,GNU}

sort - sort lines of text files {GPL,GNU}

split - split a file into pieces {GPL,GNU}

tac - concatenate and print files in reverse {GPL,GNU}

tr - translate or delete characters {GPL,GNU}

tsort - perform topological sort {GPL,GNU}

unexpand - convert spaces to tabs {GPL,GNU}

uniq - remove duplicate lines from a sorted file {GPL,GNU}

wc - print the number of bytes, words, and lines in files {GPL,GNU}

cdif-1.15 - Display word context diff

cdiff-1.4 - Diff readability enhancher for color terminals

diff-mode.el-1.8_1 - A mode for viewing/editing context diffs in Emacsen

gtkdiff-1.0.2 - A frontend program for diff(1) written for GNOME

p5-Text-Filter-Chain-0.02 - Chains multiple Text::Filter objects and runs them in sequence

diffconvert-1.2 - A converter between context diff and unidiff formats

unix2dos-1.3 - Translate ASCII files from DOS (cr/lf) to UNIX (lf)

buffer-1.17.1 - Buffer sporadic I/O for faster tape and pipe throughput

fhist-1.6 - Utilities to maintain file history, do file comparisions and merges

tkdiff-3.05 - A Tk frontend for diff(1)

p5-Text-Filter-1.7 - Base class for objects that can read and write text lines

gfslicer-1.5.4 - A utility to split and join files

dosunix-1.0.12 - Manipulation of text files in a mixed DOS/Windows and Unix environment

gsed-3.02 - The GNU stream editor

fconv-1.1 - Converts DOS or Mac-style files to Unix format, and vice-versa

patchutils-0.2.11 - A small collection of programs that operate on patch files

mawk-1.3.3 - An implementation of new/posix awk

dirdiff-1.2 - A graphical diff tool

pardiff-0.9.4 - Parallelizing diff Filter, converts diff output to paralleled format

rot-1.2 - Rotates a file so that lines become columns and vice versa

awka-0.7.4 - Converts the AWK script to C, then compiles it

align-1.5.0 - Text column alignment filter

xxdiff-2.0.3 - QT interface to view/merge differences between 2 or 3 files

p5-File-ReadBackwards-0.94 - File::ReadBackwards -- read a file backwards by lines

dvips-5.76 - Convert a TeX DVI file to PostScript.

agrep-2.04 - Approximate grep (fast approximate pattern-matching tool)

ja-gawk-3.0.6 - GNU awk + multi-byte extension

nawk-20020210 - Brian Kernighan's pattern scanning and processing language

iselect-1.2.0 - Interactive Selection Tool

tr2latex-2.2 - Convert a document from troff to LaTeX.

catdoc-0.91.4_1 - Convert MS Word/Excel documents to plain ASCII or TeX. TK viewer included

info2html-1.1 - Translate GNU info files into HTML pages.

ja-plain2-2.54 - A text converter from plain to any format

mgdiff-1.0 - A graphical front end to the Unix diff command

nfbtrans-7.58 - ASCII text to Grade Two braille translator

par-1.52 - Paragraph reformatter for email

pilot_makedoc-0.7a - Converts text into the Doc format used by PalmPilots

rman-3.0.9 - Reverse compile man pages from formatted form

textutils-2.0 - GNU text utilities

unroff-1.0.2 - A programmable troff translator with backend for HTML.

wdiff-0.5 - Display word differences between text files.

bpatch-1.0 - A hex editor that doesn't load the whole file at once.

jive-1.1 - filter that converts English text to Jive

qsubst - A query-replace program {oss}

ddd - Fast, multi-process dd(1) clone {oss}

slice - Split file based on patterns or line numbers {oss}

cut+paste - Public-domain implementations of cut(1) and paste(1) {oss}

inserts - Do insertions into a document {oss}

filterfile - Apply a filter to a file, safely {oss}

patch2 - Release 2.0 of patch {oss}

diffstat - compute histograms of diff output, {oss}

spiff - Spiff, find approximate differences in files {oss}

rot - Rotate text {oss}

hdiff - Heckel diff(1) [CACM '78], but shows moved lines with m {oss}

gnudiff1.15 - GNU Diff, version 1.15 {oss}

ctrl - Transform symbolic to real escape sequences {oss}

tabs - A tab/space conversion program {oss}

sect - extract a section of lines from a file or stdin, {oss}

fgres - search and replace character patterns, {oss}

diffc - Contextual diff (diff -c) for Bell systems {oss}

aaa - The amazing awk assembler {oss}

perl - a "replacement" for awk and sed {oss}

window-srch - Windowing search (not unlike context grep) {oss}

vitals - Word counts, checksums, etc. {oss}

gawk - GNU AWK, version 2.11 {oss}

InfoPrism - A General Document Processing System {GPL}

pmpp - A Poor Man's Pre-Processor {GPL}

sar - Command-line search and replace tool written in Perl. {freely distributable}

rmhatm - Advanced script to strip CR/LF from textfiles {free to use but restricted}

Mv.C - Move files (MSDOS) {oss}

Bincomp.C - Binary file comparison utility {oss}

Filecat.C - Adds one file onto another vertically {oss}

Maxline.C - Returns the length of the longest line in text file {oss}

Flopcopy.C - Copy a floppy to a HD subdirectory {oss}

Killff.C - Strip FF characters from text files {oss}

Nlcnvrt.C - Convert text files between DOS and Unix (CRLF <=> LF) {oss}

Split.C - Split large text files into smaller ones {oss}

Stats.C - Analyze file statistics {oss}

Stripeof.C - Strip ^Z characters from DOS text files {oss}

TPROC - Very simple text processing language for assembling Text files. {GPL}

Fcompare.C - Compare 2 files for equality {oss}

Textmod.C - Demo how to change lines in a text file {oss}

idiff-1.0.tgz - powerful command-line front end to diff

idiff-1.0.tgz - powerful command-line front end to diff

Applications and Utilities

recode - Charsets, etc. - The `recode' library converts files between character sets and usages. The `recode' program is a handy front-end to the library. {(L)GPL}

p5-Apache-Filter-1.019 - Perl module to alter the output of previous handlers

p5-C-Scan-0.74 - Perl5 module to scan C language files for easily recognized constructs

Textmod.C - Demo how to change lines in a text file {oss}

Sprite - Maniuplates simple text-delimited databases. [Perl] {oss}

Parse::Lex - An object-oriented generator of lexical analyzers. Use it to create parsers for "little languages" that you create. Documentation in French. [Perl] {oss}

Parse::RecDescent - Like the Unix yacc utility, this module generates recursive-descent parsers. [Perl] {oss}

SGMLS - Classes for use with the SGMLS and NSGMLS parsers. (SGML stands for Standard Generlized Markup Language. HTML is almost an example of an SGML.) [Perl] {oss}

HTML::FormatText - Convert HTML to plain text. Part of the libwww bundle. [Perl] {oss}

Rioja - A record-oriented java input/output class library. {free to use but restricted}

Libraries and Functions

(The following links to subjects at this site retain your personalized selections.)

See also Spelling Checkers and Correctors - Methods of filtering and processing to check and correct spelling errors.

See also: Searching Algorithms - Algorithms for locating an item by searching.

See also: Sorting Algorithms

See also: Text File Output - Methods of printing and displaying text files.

See also: File Viewers - Viewing the contents of files in various forms.

See also: Data integrity and Security, Checksums and Digests - cryptography, message digests, etc.

Data Compression

Up to File System Access - Gateway topic to file system (files and directory) access and operations.

Converters - - Format conversion utilities..

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