perl

Original：🇺🇸 English
Translated

Perl text processing and scripting with regular expressions. Use for .pl files.

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Sourceg1joshi/agent-skills
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NPX Install

npx skill4agent add g1joshi/agent-skills perl

Tags

Translated version includes tags in frontmatter
perl-scriptingtext-processingregex-usagecpan-packagesperl-best-practices

SKILL.md Content

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Perl

Perl 5.40 (2024) introduced a native 
try/catch
 and the 
__CLASS__
keyword. It remains unbeatable for text processing one-liners.

When to Use

  • Text Processing: Regex engine is the gold standard.
  • Sysadmin: Legacy scripts on every Unix system.
  • Bioinformatics: Massive existing codebases (Bioperl).

Core Concepts

Sigils

$scalar
, 
@array
, 
%hash
. Visual typing.

Context

Scalar vs List context. 
my $len = @arr
(count) vs 
my. ($first) = @arr
(element).

CPAN

The "Comprehensive Perl Archive Network". The original package repository.

Best Practices (2025)

Do:
  • Use 
    v5.40
    : Enable new features 
    use v5.40;
    .
  • Use 
    strict
    and 
    warnings
    : Mandatory for sanity.
  • Use 
    App::cpanminus
    : Modern installer.
Don't:
  • Don't write "write-only" code: value readability over golf.

References