redisGet key length in Redis

echo $(redis-cli DEBUG OBJECT test) | cut -d' ' -f 5ctrl + cgithub

`redis-cli` launch Redis CLI interface in interactive mode	`test` key name to get length of
`DEBUG OBJECT` print internal data for specified key	`cut -d' ' -f 5` extract `serializedlength` key which print specified key length

echo $(redis-cli DEBUG OBJECT test) | cut -d' ' -f 5

serializedlength:3