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Re: grepping

by dws (Chancellor)
on Mar 25, 2001 at 01:02 UTC ( #66899=note: print w/replies, xml ) Need Help??

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  1. or download this
    {
        my %data;
        @data{@data} = 1;  # turn @data into a lookup hash
    ...
                if not exists $data{$_}
        }
    }
    
  2. or download this
        @data{@data} = undef;  # turn @data into a lookup hash

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