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Re: Perl Idioms Explained - keys %{{map{$_=>1}@list}}

by Aristotle (Chancellor)
on Aug 04, 2003 at 20:18 UTC ( #280788=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my %seen;
@seen{@list}=();
my @uniq = keys %seen;
  2. or download this
    my @uniq = do {
    my %seen;
    @seen{@list}=();
    keys %seen;
};

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