"Janek Schleicher" <[EMAIL PROTECTED]> writes:
> B. Fongo wrote at Mon, 30 Jun 2003 23:46:19 +0200:
>
> > Is there any other way to check array uniqueness except the Module
> > Array::Unique?
> > I'm having problems in installing these two Modules: Array::Unique and
> > Tie. So I'm thinking of another way to check array for replicates.
> >
> > I help will be appreciate. Thanks a lot!
>
> You can also hardcode it e.g.
>
> {
> my %seen;
> if (grep {$seen{$_}} @array) {
The above line should be:
if (grep {$seen{$_}++} @array) {
> # at least one element is twice
> } else {
> # unique
> }
> }
-RN
--
Robin Norwood
Red Hat, Inc.
"The Sage does nothing, yet nothing remains undone."
-Lao Tzu, Te Tao Ching
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