A hash's keys are always unique.

#!/usr/bin/perl -w

use strict;

my %hash = ( key1 => '1', key1 => '2' );

print join("\n", keys %hash);

[download]

prints 'key1' only...

In reply to Re: Re: Sorting a hash. What am I doing wrong? by zakb
in thread Sorting a hash. What am I doing wrong? by mndoci

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