Redis LTRIM command trims an existing list so that it contains only the specified range of elements. Both start and stop are zero-based indexes, where 0 is the first element of the list (the head), 1 the next element, and so on.
Return Value
String reply, OK.
Syntax
Following is the basic syntax of redis LTRIM command.
redis 127.0.0.1:6379> LTRIM KEY_NAME START STOP
Example
redis 127.0.0.1:6379> RPUSH mylist "hello" (integer) 1 redis 127.0.0.1:6379> RPUSH mylist "hello" (integer) 2 redis 127.0.0.1:6379> RPUSH mylist "foo" (integer) 3 redis 127.0.0.1:6379> RPUSH mylist "bar" (integer) 4 redis 127.0.0.1:6379> LTRIM mylist 1 -1 OK redis 127.0.0.1:6379> LRANGE mylist 0 -1 1) "hello" 2) "foo" 3) "bar"
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