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Re: Check even numbers?

by cees (Curate)
on Aug 07, 2006 at 05:02 UTC ( #565891=note: print w/replies, xml ) Need Help??

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  1. or download this
    $str = 'ABABAABBA';
    $count = $str =~ tr/A//;  # $a = 5;
    
  2. or download this
    if ($count && !($count & 1)) {
      # Do something with this protein sequence
    }
    

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