Redis

GETBIT key offset

Returns the bit value at offset in the string value stored at key.

When offset is beyond the string length, the string is assumed to be a contiguous space with 0 bits. When key does not exist it is assumed to be an empty string, so offset is always out of range and the value is also assumed to be a contiguous space with 0 bits.

Return value

Integer reply: the bit value stored at offset.

Examples

redis>  SETBIT mykey 7 1
(integer) 0
redis>  GETBIT mykey 0
(integer) 0
redis>  GETBIT mykey 7
(integer) 1
redis>  GETBIT mykey 100
(integer) 0
redis> 
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