Is that usage of sort any better/worse/different than something like this? 
foreach ( sort gs::long_strings_first($a,$b), @$raw_hash_keys_ar ) {
    #do_stuff;
}

package gs;
sub long_strings_first {
 my ($first, $second) = @_;
 ...
}

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In reply to Re^2: Accessing $a and $b of 'sort' across package boundaries by davidrw
in thread Accessing $a and $b of 'sort' across package boundaries by ff

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