def liste(self, message=None, match=None, to=None):
        directory = '/opt/whatsapp-bot-seed-master/liste/'
        number_of_files = len([item for item in os.listdir(directory) if os.path.isfile(os.path.join(directory, item))])
	data=""
	position=1
        if not number_of_files == 0:
	    for filename in os.listdir('/opt/whatsapp-bot-seed-master/user/'):
                if os.path.exists("/opt/whatsapp-bot-seed-master/liste/" + filename):
                    with open ("/opt/whatsapp-bot-seed-master/user/" + filename, "r") as myfile:
                        data=data + str(position) + ". " + ''.join(myfile.readlines()) + "\r\n"
			position=position + 1
	    return TextMessageProtocolEntity("Teilnehmeranzahl/Liste: " + str(number_of_files) + "\n\n" + ''.join(data), to=message.getFrom())
	else:
	    return TextMessageProtocolEntity("Teilnehmeranzahl/Liste: 0", to=message.getFrom())