Ok, so it is definitely using less memory. So in order to get the complete benefits of this module, I should use it as a stack. That way it is only keeping track of the first few elements.

Thankfully, that is an option, so I'll give it a try.

Thanx chiefs

follow up:
It worked great :) This snippet doesn't chew hardly any memory. Thanx again.

#!/usr/bin/perl

use Tie::File;

my @item;
my $dbuncheck = tie (@item,'Tie::File','test',memory => '100000') or d
+ie $!;

for (1..30000) {
    unshift @item,'stuff' x 40;
}
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