Redis APPEND command is used to add some value in a key.
Return Value
Integer reply, the length of the string after the append operation.
Syntax
Following is the basic syntax of Redis APPEND command.
redis 127.0.0.1:6379> APPEND KEY_NAME NEW_VALUE
Example
redis 127.0.0.1:6379> SET mykey "hello" OK redis 127.0.0.1:6379> APPEND mykey " Adglob" (integer) 20 redis 127.0.0.1:6379> GET mykey "hello Adglob"