A bit of fun before bed time. :-)
#!/usr/local/bin/perl -w
use strict;
my %aa=(uno=>1, due=>3);
my %bb=(due=>2, uno=>1);
my @k_aa = sort keys %aa;
my @k_bb = sort keys %bb;
my $equal = 0;
if ($#k_aa == $#k_bb) {
$equal++;
for (0..$#k_aa) { $equal--, last if $k_aa[$_] ne $k_bb[$_] }
if ($equal) {
for (@k_aa) { $equal--, last if $aa{$_} ne $bb{$_} }
}
}
print "\%aa and \%bb are ",
@{['not equal', 'equal']}[$equal], "\n";
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