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# Language reference

Perl 5 version 22.0 documentation
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# Language reference

- perlsyn - syntax
- perldata - Perl data types
- perlsub - subroutine function
- perlop - operator
- perlfunc - function
- perlpod - POD plain old documentation
- perlpodspec - Plain Old Documentation: format specification and notes
- perlpodstyle - Perl POD style guide
- perldiag - various Perl diagnostics
- perllexwarn - Perl Lexical Warnings
- perldebug - debug debugger
- perlvar - Perl predefined variables
- perlre - regular expression regex regexp
- perlreref - Perl Regular Expressions Reference
- perlrebackslash - Perl Regular Expression Backslash Sequences and Escapes
- perlrecharclass - character class
- perlref - reference pointer data structure structure struct
- perlform - format report chart
- perlobj - object OOP
- perltie - tie
- perldbmfilter - Perl DBM Filters
- perlipc - Perl interprocess communication (signals, fifos, pipes, safe subprocesses, sockets, and semaphores)
- perlfork - Perl's fork() emulation
- perlnumber - semantics of numbers and numeric operations in Perl
- perlperf - Perl Performance and Optimization Techniques
- perlport - Writing portable Perl
- perllocale - Perl locale handling (internationalization and localization)
- perluniintro - Perl Unicode introduction
- perlunicode - Unicode support in Perl
- perluniprops - Index of Unicode Version 7.0.0 character properties in Perl
- perlunicook - cookbookish examples of handling Unicode in Perl
- perlebcdic - Considerations for running Perl on EBCDIC platforms
- perlsec - Perl security
- perlmod - Perl modules (packages and symbol tables)
- perlmodlib - constructing new Perl modules and finding existing ones
- perlmodstyle - Perl module style guide
- perlmodinstall - Installing CPAN Modules
- perlnewmod - preparing a new module for distribution
- perlfilter - Source Filters
- perlglossary - Perl Glossary
- perlexperiment - A listing of experimental features in Perl
- perldtrace - Perl's support for DTrace
- CORE - Namespace for Perl's core routines