EXISTS key [key ...] #Example
redis> SET key1 "Hello" "OK" redis> EXISTS key1 (integer) 1 redis> EXISTS nosuchkey (integer) 0 redis> SET key2 "World" "OK" redis> EXISTS key1 key2 nosuchkey (integer) 2 Determine if a key exists
Comments
EXISTS key [key ...] redis> SET key1 "Hello" "OK" redis> EXISTS key1 (integer) 1 redis> EXISTS nosuchkey (integer) 0 redis> SET key2 "World" "OK" redis> EXISTS key1 key2 nosuchkey (integer) 2 Determine if a key exists