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Re: scanning hash

by wfsp (Abbot)
on Aug 01, 2004 at 09:28 UTC ( #379041=note: print w/replies, xml ) Need Help??

in reply to scanning hash

#!/bin/perl5 use strict; use warnings; my %hash = ( key1 => 0, key2 => 0, key3 => 0); my %dups = reverse %hash; my $count = keys %dups; print "$count\n";
$count = 1

Beaten to the post of course. This is just in case you wanted to do it on two lines instead of one!

Replies are listed 'Best First'.
Re^2: scanning hash
by Aristotle (Chancellor) on Aug 01, 2004 at 14:41 UTC
    Again, incorrect, like Re: scanning hash. This approach treats undefs and empty strings as the same.

    Makeshifts last the longest.

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