Usage: cli greet [flags] Prints greeting in different languages. Flags: -fun '{"uri":"mqtt://broker.emqx.io:1883","topic":"test_emq/1 '{"uri":"mqtt://broker.emqx.io:1883","topic":"test_emq/1","filters":[{"producer_id":0,"trace_group":2,"string_id ":3001},{"string_id":3002}]}' -help Print help information -man Print the auto-generated manpage