# File rddc_update.rb, line 15
  def write_return_code
    #saving return code
    new_return = Rddc_xml_file.new
    new_return.set_identifier("old_return")
    new_return.set_value("old_return_code", return_code)
    new_return.write_file(@conf.get_option("rddc_values_file"))
  end