Perl Predefined Variables
         Variable                             Description                                       ...
Perl Cheat Sheet -- Perl Predefined Variables Cheat Sheet
Perl Cheat Sheet -- Perl Predefined Variables Cheat Sheet
Perl Cheat Sheet -- Perl Predefined Variables Cheat Sheet
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Perl Cheat Sheet -- Perl Predefined Variables Cheat Sheet

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Cheat sheet contains all the predefined/special variables of Perl. They have been collected form `perldoc perlvar' manual page.

Visit http://www.catonmat.net for more cheat sheets!

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Perl Cheat Sheet -- Perl Predefined Variables Cheat Sheet

  1. 1. Perl Predefined Variables Variable Description Example The default input and pattern-searching space. $ARG while (>) {...} #equiv. only in while (Mnemonic: underline is understood in certain $_ operations.) while (defined($_ = >)) {...} $a Special package variables when using sort(), see @articles = sort {$a cmp $b} @files; $b sort. Contains the sub-pattern from the corresponding $<digits> </digits>

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