If @gl is (or can be) large/huge, List::Util's first can be an important speedup.

use List::Util qw( first );
for my $current (@genes) {
    say $current if first { $_ eq $current } @gl;
    }

[download]

Enjoy, Have FUN! H.Merijn

In reply to Re^2: How to I check if a value is present in an array? by Tux
in thread How to I check if a value is present in an array? by rocketperl

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