Redis Pub/Sub: PUBSUB

PUBSUB subcommand [argument [argument ...]]

Redis PUBSUB command is an introspection command that allows to inspecting the state of the Pub/Sub subsystem. It is composed of subcommands that are documented separately.

Syntax:

PUBSUB subcommand [argument [argument ...]]

Following listing shows some supported patterens in redis

• h?llo subscribes to hello, hallo and hxllo
• h*llo subscribes to hllo and heeeello
• h[ae]llo subscribes to hello and hallo, but not hillo

Available since

2.8.0.

Return Value

Array reply, a list of active channels.

Return Value Type

Array

Example: Redis PUBSUB

redis 127.0.0.1:6379> PUBSUB CHANNELS
(empty list or set)