DECRBY

Syntax

DECRBY key delta

DECRBY command decrements the integer at ‘key’ by the delta specified. Creates ‘key’ with value (-delta) if absent. The command raises an error if the value is a non-integer.

Returns the new value of ‘key’ on success.

Examples

localhost:7379> SET k 43
OK
localhost:7379> DECRBY k 10
OK 33
localhost:7379> DECRBY k2 50
OK -50
localhost:7379> GET k2
OK "-50"