code: def __to_browser(self, message_no):
          
          filename = self.__to_file(message_no)
          try:
              command = self.config.get('General', 'browser_command')
          except (ConfigParser.NoOptionError, AttributeError):
              print 'Incorrect or missing .ini file. See --help.'
              sys.exit(5)
          command = str(command).format(filename)
          command_list = command.split(' ')
          try:
              subprocess.Popen(command_list, stdout=subprocess.PIPE,
                               stderr=subprocess.PIPE)
          except OSError:
              print 'Unable to execute the browsercommand:'
              print command
              print 'Exiting!'
              sys.exit(21)
docs: Write a single message to file and open the file in a
          browser