TOUCH

Syntax

TOUCH key [key ...]

Time complexity: O(N) where N is the number of keys that will be touched.

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

Return

Integer reply: The number of keys that were touched.

Examples

dragonfly> SET key1 "Hello"
"OK"
dragonfly> SET key2 "World"
"OK"
dragonfly> TOUCH key1 key2
(integer) 2