perl -le '$a1 = 3; $a2 = 4; $c = 2; print join " | ",(keys %main:: ); 
+'

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This works only for global variables, not the ones declared with 'my'

In reply to Re: "Globbing" over variable names in Perl? by jethro
in thread "Globbing" over variable names in Perl? by pat_mc

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