TOUCH key [key ...]

Alters the last access time of a key(s). A key is ignored if it does not exist.

*Return value

Integer reply: The number of keys that were touched.

*Examples

redis>  SET key1 "Hello"
"OK"
redis>  SET key2 "World"
"OK"
redis>  TOUCH key1 key2
ERR Unknown or disabled command 'TOUCH'
redis>