'Requires:
nothing
Returns:
True if file is older RTf
False if file is newer RTF'

def check_if_old_rtf(self):

    self.__initiate_values()
    line_num = 0
    with open(self.__file, 'r') as read_obj:
        for line in read_obj:
            line_num += 1
            self.__token_info = line[:16]
            if (self.__token_info == 'mi<mk<body-close'):
                return False
            if (self.__token_info == 'ob<nu<open-brack'):
                self.__ob_group += 1
                self.__ob_count = line[(-5):(-1)]
            if (self.__token_info == 'cb<nu<clos-brack'):
                self.__ob_group -= 1
                self.__cb_count = line[(-5):(-1)]
            self.__inline_info = line[6:16]
            if (self.__state == 'after_body'):
                return False
            action = self.__action_dict.get(self.__state)
            if (action is None):
                try:
                    sys.stderr.write('No    action    for    this    state!\n')
                except:
                    pass
            result = action(line)
            if (result == 'new_rtf'):
                return False
            elif (result == 'old_rtf'):
                if (self.__run_level > 3):
                    sys.stderr.write(('Old    rtf    construction    %s    (bracket    %s,    line    %s)\n' % (self.__inline_info, str(self.__ob_group), line_num)))
                return True
            self.__previous_token = line[6:16]
    return False
