Redis Getbit Command

Redis Strings (string)

The Redis Getbit command is used to obtain the bit at the specified offset of the string value stored for the key.

Syntax

The basic syntax of the redis Getbit command is as follows:

redis 127.0.0.1:6379> GETBIT KEY_NAME OFFSET

Available Versions

>= 2.2.0

Return Value

The bit at the specified offset of the string value.

If the offset OFFSET is greater than the length of the string value or the key does not exist, returns 0.

Online Examples

# GETBIT for non-existing key or non-existing offset, returns 0
redis> EXISTS bit
(integer) 0
redis> GETBIT bit 10086
(integer) 0
# GETBIT for existing offset
redis> SETBIT bit 10086 1
(integer) 0
redis> GETBIT bit 10086
(integer) 1

Redis Strings (string)