httpserv.js

var url = require('url'), path = require('path'), fs = require('fs'), port = parseInt(process.argv[2] || 8888, 10)
require('http').createServer(function(req, res) {
    var rfile = path.join(__dirname, 'shareddir', url.parse(req.url).pathname)
	if(!fs.existsSync(rfile)) {
		res.writeHead(404, {'Content-Type': 'text/plain'})
		res.write("404 Not Found\n")
		res.end()
	} else {
		fs.readFile(rfile + (fs.statSync(rfile).isDirectory()) ? '/index.html' : '', 'binary', function(err, file) {
			if(err) {
				res.writeHead(500, {'Content-Type': 'text/plain'})
				res.write(err + "\n")
			} else {
				res.writeHead(200)
				res.write(file, 'binary')
			}
			res.end()
		})
	}
}).listen(port, function() { console.log("file server running at\n  => http://localhost:" + port + "/\nCTRL + C to shutdown") })