Which.. guess what..

sub uniq (@) {
    my %h;
    map { $h{$_}++ == 0 ? $_ : () } @_;
}
[download]

uses a hash!

Whilst in principal using a module is often a good thing, maybe it would be better if the OP understood what was going on under the hood first?

Just my not so humble opinion.

jdtoronto