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  1. or download this
    #!/usr/bin/perl
    
    ...
    print "\npassing through qw:\n";
    print Dumper \%newhash;
    #print $@;
    
  2. or download this
    rasto@frodo:~/cheat$ ./test.pl 'r,2,g,2,w,1,q,1'
    $VAR1 = {};
    ...
              'r' => '2',
              'g' => '2'
            };
    
  3. or download this
    $VAR1 = {
              'r,2,g,2,w,1' => undef
            };