Aggregate a stream

gistfile1.js

var http = require('http');
opts = {
  domain: 'google.com'
}
http.get(opts, function(res) {
  response = ''
  res.on('data', function(data) {
    response += data.toString()
  }
  res.on('end', function() {
    console.log("the whole response was", response);
  }
})