var redis = require('redis')
, client = redis.createClient();
client.hset('hash', 'key', 'val');
client.hmget('hash', ['key'], redis.print);
client.hmget('hash', 'key', 'key', redis.print);
client.hmget('hash', ['key', 'key'], redis.print);
client.quit();
/* output:
Reply: val
Reply: val,val
Reply:
*/
