LLEN key

Returns the length of the list stored at key. If key does not exist, it is interpreted as an empty list and 0 is returned. An error is returned when the value stored at key is not a list.

*Return value

Integer reply: the length of the list at key.


redis>  LPUSH mylist "World"
(integer) 1
redis>  LPUSH mylist "Hello"
(integer) 2
redis>  LLEN mylist
(integer) 2