Appends to string

Syntax

APPEND key value.

Returns

Reurns the length of string after append operation.

'APPEND' command appends the value at the end of the string. If string is empty, then new string is created with given value.

127.0.0.1:6379> append welcome "Hello" 
(integer) 5 
127.0.0.1:6379> get welcome 
"Hello" 
127.0.0.1:6379> append welcome " Redis" 
(integer) 11 
127.0.0.1:6379> get welcome 
"Hello Redis" 

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