Redis List Commands

Redis list is an array of string used to store array data structure in Redis under a key. I this lesson I will show the commands of the Redis list.

LPUSH command is used to create a new list or add an item at beginning of the list:

Syntax:

LPUSH key value ...

Example: 

LPUSH numbers 1 345 45 234 234

 

Some Other Commands of List:

Commands Description	Syntax	Example
Remove and get first element of a list	LPOP key	LPOP numbers
Remove and get last element of a list	RPOP key	RPOP numbers
Get element by index	LINDEX key index	LINDEX numbers 1
Adding item to left (beginning) of the list	LPUSH key value	LPUSH numbers 24
Adding item to right (last) of the list	RPUSH key value	RPUSH numbers 30
Insert an item before or after another item in list	LINSERT key BEFORE|AFTER pivot value	LINSERT numbers AFTER 28 100
Get the length of a list	LLEN key	LLEN numbers
Add item to left only if the list is exists	LPUSHX key value	LPUSHX numbers 2
Getting value of a rage	LRANGE key start stop	LRANGE numbers 0 6 // Get from 0 to 6 LRANGE numbers 0 -1 // Get all data
Remove Element form list	LREM key count value	LREM numbers 0 23  // Remove all LREM numbers -1 23 // Remove one from right side LREM numbers 1 23 // Remove one from left side
Set the value by idex	LSET key index value	LSET numbers 1 20
RPOP form source and LPUSH to destination	RPOPLPUSH source destination	RPOPLPUSH numbers new
Append data to list right side only if the list exists	RPUSHX key value	RPUSHX numbers 333