ZDIFF numkeys key [key ...] [WITHSCORES]

This command is similar to ZDIFFSTORE, but instead of storing the resulting sorted set, it is returned to the client.

*Return value

Array reply: the result of the difference (optionally with their scores, in case the WITHSCORES option is given).

*Examples

redis>  ZADD zset1 1 "one"
(integer) 1
redis>  ZADD zset1 2 "two"
(integer) 1
redis>  ZADD zset1 3 "three"
(integer) 1
redis>  ZADD zset2 1 "one"
(integer) 1
redis>  ZADD zset2 2 "two"
(integer) 1
redis>  ZDIFF 2 zset1 zset2
1) "three"
redis>  ZDIFF 2 zset1 zset2 WITHSCORES
1) "three"
2) "3"
redis>