llen

LLEN

LLEN key

Available since 1.0.0.

Time complexity: O(1)

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.

Examples

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

© 2009–2017 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/llen