List commands
These are the commands that are available for lists.
LPUSH <key> <value>
Push a value to the left of a list. Create a list if it doesn't exist.
Example
> LPUSH list 1
1LPUSHX <key> <value>
Push a value to the left of a list only if the list exists.
Example
# List doesn't exist
> LPUSHX list 1
# List exists
> LPUSH list 1
1
> LPUSHX list 2
2RPUSH <key> <value>
Push a value to the right of a list. Create a list if it doesn't exist.
Example
> RPUSH list 2
2RPUSHX <key> <value>
Push a value to the right of a list only if the list exists.
Example
# List doesn't exist
> RPUSHX list 1
# List exists
> RPUSH list 1
1
> RPUSHX list 2
2LPOP <key>
Pop a value from the left of a list. Return nothing if the list is empty.
Example
> LPOP list
1
> LPOP list
2
# Empty list
> LPOP listRPOP <key>
Pop a value from the right of a list. Return nothing if the list is empty.
Example
> RPOP list
2
> RPOP list
1
# Empty list
> RPOP listLLEN <key>
Get the length of a list.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LLEN list
2LTRIM <key> <start> <stop>
Trim a list to the specified range.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LTRIM list 0 1
okLINDEX <key> <index>
Get the value at the specified index of a list.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LINDEX list 0
3LRANGE <key> <start> <stop>
Get a range of values from a list. If the stop is lower than 0, it will be treated as the last element of the list.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LRANGE list 0 1
3
2LPOS <key> <value>
Get the index of the first occurrence of a value in a list.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LPOS list 2
1LREM <key> <value>
Remove all occurrences of a value from a list.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LREM list 2
1LINSERT <key> <position> <pivot> <value>
Insert a value before or after a pivot in a list.
The pivot should be the value of an existing element, not the index. If the pivot doesn't exist, the command will still run, but do nothing.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LINSERT list BEFORE 2 4
listLSET <key> <index> <value>
Set the value at the specified index of a list.
Example
> LPUSH list 1
1
> LPUSH list 2
2
> LPUSH list 3
3
> LSET list 1 4
4
> LRANGE list 0 2
3
4
1