app2.js

var redis = require('redis'),
	client = redis.createClient();

client.on('error', function (err) {
	console.log('Error ' + err);
});

client.set('string key', 'string val', redis.print);
client.hset('hash key', 'hashtest 1', 'some value', redis.print);
client.hset(['hash key', 'hashtest 2', 'some other value'], redis.print);
client.hkeys('hash key', function (err, replies) {
	console.log(replies.length + ' replies:');
	replies.forEach(function (reply, i) {
		console.log('     ' + i + ': ' + reply);
	});
	client.quit();
});