'Puts command script to shell history.'

def _put_to_history(self, command_script):

    history_file_name = self._get_history_file_name()
    if os.path.isfile(history_file_name):
        with open(history_file_name, 'a') as history:
            entry = self._get_history_line(command_script)
            if six.PY2:
                history.write(entry.encode('utf-8'))
            else:
                history.write(entry)
