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Re: Idiom: hashes as sets

by TGI (Vicar)
on Jul 03, 2008 at 01:30 UTC ( #695265=note: print w/ replies, xml ) Need Help??

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  1. or download this
    foreach $e (@a, @b) { $count{$e}++ }

...
        push @diff, $e;
    }
}
  2. or download this
    use strict;
use warnings;
...
my @symdiff = sort keys %symdiff;

print "Symdiff = @symdiff\n";

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