cheat sheets.

PERLDOC

Language Reference
===
Example: perldoc perlfunc

* 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
* perldiag - various Perl diagnostics
* perllexwarn - warning, lexical warnings warning
* perldebug - debug debugger
* perlvar - Perl predefined variables
* perlre - regular expression regex regexp
* perlreref - Perl Regular Expressions Reference
* 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
* perlport - Writing portable Perl
* perllocale - Perl locale handling (internationalization and localization)
* perluniintro - Perl Unicode introduction
* perlunicode - Unicode support 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
* perlcompile - Introduction to the Perl Compiler-Translator
* perlfilter - Source Filters
* perlglossary - Perl Glossary
* CORE - Pseudo-namespace for Perl's core routines