Watch Redis pub/sub channels

redis-watch.coffee

redis = require 'redis'

client = redis.createClient
	HOST: process.env.HOST

client.on 'error', (err) -> console.error err

client.on 'subscribe', (channel, count) ->
	console.log "Subscribed:", channel

client.on 'message', (channel, message) ->
	console.log channel, message

client.on 'psubscribe', (pattern, count) ->
	console.log "Subscribed:", pattern

client.on 'pmessage', (pattern, channel, message) ->
	console.log channel, message

if process.argv.length > 2
	for channel in process.argv.slice 2
		client.subscribe channel
else
	client.psubscribe '*'