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By: a guest on May 8th, 2012  |  syntax: None  |  size: 0.22 KB  |  hits: 9  |  expires: Never
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  1. use warnings;
  2. use strict;
  3.  
  4. my %count;
  5. $count{$_}++ for split //,$ARGV[0];
  6.  
  7. print "$_->{char}: $_->{count}\n" for
  8.     sort { $b->{count} <=> $a->{count} }
  9.     map  { { char => $_, count => $count{$_} } } (keys %count);
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