http://www.perlmonks.org?node_id=204065


in reply to Re: System Variables
in thread System Variables

might be a little more informative if you do something such as: 
foreach( keys %ENV ) {
   print "$_ = $ENV{$_} \n";
}

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Since what varables are available may vary from system to system. Of course just wanting to know "system variables" is sort of a vague question...

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Re^3: System Variables
by Aristotle (Chancellor) on Oct 10, 2002 at 00:01 UTC
    Or perhaps more economically, 
    while(my ($key, $val) = each %ENV) {
    print "$key = $val\n";
}

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    since you're not sorting the keys anyway.

    Makeshifts last the longest.

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[d/l]
      I'm just feeling a bit silly... 
      perl -e'print$_,$|--?$/:qq?$"=$"?for%ENV'

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      -Blake

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[d/l]

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