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Detecting duplicate keywords passed in a form

by hacker (Priest)
on Mar 21, 2003 at 13:08 UTC ( #244845=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
       my @keywords = ('this','that','other','foo','this',              
                       'bar');                      ^dupe
    
  2. or download this
       my @keywords = ('this','that','other','foo','THIS',
                       'bar');                      ^uc(dupe)
    
  3. or download this
       use strict;
    
    ...
       foreach my $word (@keywords) {
               print $word . "\n";
       }
    

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