Download and write to file with node

downloader.js

#!/usr/bin/env node

// modify here
var downloadURL  = "http://nodejs.org/dist/v0.6.15/node-v0.6.15.tar.gz"
var dest = "/tmp/result"

// require
var http = require('http')
var url = require('url')
var fs = require('fs')

// ugly code here
var urlParsed = url.parse(downloadURL)

var file = fs.createWriteStream(dest)

http.get({host: urlParsed.hostname,
          path: urlParsed.path}, function(res) {
    res.pipe(file)
});