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  1. or download this
    open(IN, "< input.csv") or die("Couldn't open input.csv\n"); 
    open(OUT, "> output.csv") or die("Couldn't open output.csv\n"); 
    ...
    chomp;
      #Displays total size of specified path (total includes subfolders)
      print "Walking $_\n";
    
  2. or download this
    
    }
    print "\n\tOutput created.\n";
    close(OUT);