! Aware to Perl: How do I process an entire hash?

How do I process an entire hash?

Tips: Browse or Search all pages for efficient awareness of Perl functions, operators, and FAQs.

Subjects

By activity
Professions, Sciences, Humanities, Business, ...

User Interface
Text-based, GUI, Audio, Video, Keyboards, Mouse, Images,...

Text Strings
Conversions, tests, processing, manipulation,...

Math
Integer, Floating point, Matrix, Statistics, Boolean, ...

Processing
Algorithms, Memory, Process control, Debugging, ...

Stored Data
Data storage, Integrity, Encryption, Compression, ...

Communications
Networks, protocols, Interprocess, Remote, Client Server, ...

Hard World
Timing, Calendar and Clock, Audio, Video, Printer, Controls...

File System
Management, Filtering, File & Directory access, Viewers, ...

Use the each() function (see each) if you don't care whether it's sorted:

    while (($key,$value) = each %hash) {
        print "$key = $value\n";
    }

If you want it sorted, you'll have to use foreach() on the result of sorting the keys as shown in an earlier question.

Source: Perl FAQ: Data Manipulation
Copyright: Copyright (c) 1997 Tom Christiansen and Nathan Torkington.

(Corrections, notes, and links courtesy of RocketAware.com)

[Overview Topics]

Rapid-Links: Search | About | Comments | Submit Path: RocketAware > Perl > perlfaq4/How_do_I_process_an_entire_hash_.htm