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    use strict;
    use warnings;
    ...
        }
      }
    }
    
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    use strict;
    use warnings;
    ...
        }
      }
    }
    
  3. or download this
    use strict;
    use warnings;
    ...
        print("Input contains illegal character \(ord:\ ", "$ord\) on line
    + $.\n");
      }
    }