MySQL - vypsani mailu oddelenych carkou

dotaz.sql

SELECT email INTO OUTFILE '/tmp/users.txt'
  LINES TERMINATED BY ', '
  FROM user;

user.sql

CREATE TABLE IF NOT EXISTS `user` (
  `id` int(11) NOT NULL,
  `email` varchar(40) COLLATE utf8_czech_ci NOT NULL
) AUTO_INCREMENT=4;

INSERT INTO `user` (`id`, `email`) VALUES
(1, 'ahoj@svete.cz'),
(2, 'hello@world.com'),
(3, 'wtf@omg.lol');

ALTER TABLE `user`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `email` (`email`);

users.txt

ahoj@svete.cz, hello@world.com, wtf@omg.lol,