EXISTS

AttentionThis page documents an earlier version. Go to the latest (v2.1)version.

Early Releases: Single-key request only. Requests with multiple keys are not yet supported.

Synopsis

EXISTS key [key …]This command is a predicate to check whether or not the given key exists.

Returns the number of existing keys.

You can do this as shown below.


1. $ SET yuga1 "Africa"


1. "OK"


1. $ SET yuga2 "America"


1. "OK"


1. $ EXISTS yuga1


1. 1


1. $ EXISTS yuga1 yuga2 not_a_key


1. 2