Oh, and you can declare your variable in loop. No need for my $file = $_ later: 
sub by_id {
    # extract numbers
    my ($A) = $a =~ /(\d+)/;
    my ($B) = $b =~ /(\d+)/;
    # return comparison
    return $A <=> $B;
}

for my $f (sort by_id @files) {
    say $f;
}

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In reply to Re: Custom Sort Array by arkturuz
in thread Custom Sort Array by omegaweaponZ

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