title: NodeJS Read file attachment from HTTP response
body: <p>Does anyone know how to read or get access to the attachement of an HTTP response?</p>
  
  <p>I mean, the server response is:</p>
  
  <pre><code>HTTP/1.1 200 OK
  Server: something
  Date: Fri, 01 May 2015 10:22:29 GMT
  Content-Type: application/pdf
  Transfer-Encoding: chunked
  Connection: keep-alive
  Vary: Accept-Language, Cookie
  X-Frame-Options: SAMEORIGIN
  Content-Language: en
  Content-Disposition: attachment; filename=mybill-234324.pdf
  Set-Cookie: s=xxxxx; expires=Fri, 15-May-2015 10:22:29 GMT; httponly; Max-Age=1209600; Path=/; secure
  Strict-Transport-Security: max-age=15552000
  </code></pre>
  
  <p>But where is this mybill-234324.pdf file content???</p>
  
  <p>My code:</p>
  
  <pre><code>var req = https.request({
      method: 'GET',
      host: 'thehost.ext',
      path: '/account/bills/' + number + '/',
      headers: {
        'Cookie': 's=supercryptedhash;',
        'Accept-Language': 'en-US,en'
      }
    }, function(res) {
      // ????
    });
  
    req.on('error', function(err) {
      console.error('Request Error', err);
    });
  
    req.end();
  </code></pre>