Ascii Code_128 about barby HOT 7 CLOSED

require 'rubygems'
require 'barby'
require 'barby/barcode/code_128'
require 'barby/outputter/png_outputter'

...

def show
    barcode = Barby::Code128B.new('The noise of mankind has become too much')
    File.open('code128b.png', 'w'){|f|
      f.write barcode.to_png(:height => 20, :margin => 5)
       }

end

RegexpError (/.../n has a non escaped non ASCII character in non ASCII-8BIT script):
  app/controllers/visits_controller.rb:60:in `new'

    require 'rubygems'
    require 'barby'
    require 'barby/barcode/code_128'
    require 'barby/outputter/png_outputter'


    def show
        barcode = Barby::Code128B.new('The noise of mankind has become too much')
        File.open('code128b.png', 'w'){|f|
          f.write barcode.to_png(:height => 20, :margin => 5)
           }

    end

    show