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Re: finding the distinct elements in an array

by rafl (Friar)
on May 29, 2006 at 13:10 UTC ( #552306=note: print w/ replies, xml ) Need Help??


in reply to finding the distinct elements in an array

For example using that code:

my %seen; my @distinct_elems = grep { !$seen{$_}++ } @array;

or maybe

my %seen = map { $_ => 1 } @array; my @distinct_elems = keys %seen;

The first example even gives you the number of occurence of each element.

Cheers, Flo

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