sdiffstore

SDIFFSTORE

SDIFFSTORE destination key [key ...]

This command is equal to SDIFF, but instead of returning the resulting set, it is stored in destination.

If destination already exists, it is overwritten.

Return value

Integer reply: the number of elements in the resulting set.

Examples

redis> SADD key1 "a" (integer) 1 redis> SADD key1 "b" (in