Phantom.js script to take a screenshot of a URL

screenshot.js

#!/usr/bin/env phantomjs

//--------------------------------------------------------

var page = require('webpage').create(),
    system = require('system'),
    file = null,
    url = null;

//--------------------------------------------------------

if (system.args.length != 3) {
  console.log('Usage: screenshot.js <some Url> <image name>');
  phantom.exit(1);
} else {
  url = system.args[1];
  file = system.args[2];
}

//--------------------------------------------------------
page.onResourceReceived = function (response) {
   if(response.stage == "end")
    console.log('Loaded Asset (#' + response.id + ', status "' + response.status + '"): ' + response.url);

}

//--------------------------------------------------------

page.onLoadFinished = function(status) {
//  console.log('Status: ' + status);
  if(status == 'success') {
    console.log( "URL Loaded.");
    page.render( file + '.png');
    console.log( "Saved screenshot to " + file + '.png');
    phantom.exit();
  } else {
    console.log('Connection failed.');
    phantom.exit();
  }
}

//--------------------------------------------------------

page.open(url);

console.log( "Loading URL: " + url);