S:\Steve\Dev\PerlMonks\P-2017-06-12@0734-sort-undef>sort1.pl ------------------------------------------------------------------------------- Original: ------------------------------------------------------------------------------- Dog Cat Bird (undef) Elephant (undef) Lizard ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Custom Sort: ------------------------------------------------------------------------------- Bird Cat Dog Elephant Lizard (undef) (undef) ------------------------------------------------------------------------------- S:\Steve\Dev\PerlMonks\P-2017-06-12@0734-sort-undef>