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  1. or download this
    $literal='abc@array$';
    @array=(1,2,3);
    ...
    } else {
      print "literal2 doesn't match literal\n"
    }
    
  2. or download this
    literal: abc@array$
    interp.: abc1 2 3$
    literal doesn't match itself
    literal2 matches itself
    literal2 matches literal