redisLPop: Remove the first element from a list.

In rredis: "Redis" Key/Value Database Client

Description

Atomically return and remove the first element of the list. For example if the list contains the elements "a","b","c" redisLPop will return "a" and the list will become "b","c".

Usage

redisLPop(key, ...)

Arguments

key	The desired key associated with a list.
...	Optional additional arguments. Specify raw=TRUE to skip de-serialization of the data.

Value

The first element of the list associated with the specified key, or NULL if the list is empty.

Author(s)

B. W. Lewis

References

http://redis.io/commands

See Also

redisRPop, redisLPush

Examples

## Not run: 
redisConnect()
redisLPush('a',1)
redisLPush('a',2)
redisLPush('a',3)
redisLPop('a')

## End(Not run)

rredis documentation built on May 2, 2019, 2:02 p.m.