INCRBY
INCRBY key increment
@write, @string, @fast, Increments the number stored at key by increment. If the key does not exist, it is set to 0 before performing the operation. An error is returned if the key contains a value of the wrong type or contains a string that can not be represented as integer. This operation is limited to 64 bit signed integers.
See INCR for extra information on increment/decrement operations.
Integer reply: the value of key after the increment
SET mykey "10" INCRBY mykey 5
© 2006–2022 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/incrby/