Scrap a website using CasperJs, CSV export

quotes_csv.js

var quotes = 0;
var maxLinks = 5;
var firstUrl = 'http://www.imdb.com/search/title?at=0&num_votes=5000,&sort=user_rating,desc&start=1&title_type=tv_infoss';

var x = require('casper').selectXPath;
var fs = require('fs');
var utils = require('utils');
 
var casper = require('casper').create({
  verbose: true,
  logLevel: 'error',
  pageSettings: {
    loadImages: false,
    loadPlugins: false,
    userAgent: 'Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.2 Safari/537.36'
  }
});
 
//Functions------------------------
 
function getLinks() {
    var links = document.querySelectorAll('.results td.image a');
    return Array.prototype.map.call(links, function(e) {
    	var href = e.getAttribute('href');
    	var url = 'http://www.imdb.com'+href+'quotes/';
        return url;
    });
}
 
//Crawl------------------------
 
casper.start(firstUrl);
 
	casper.then(function() {
	  links = this.evaluate(getLinks);
          var j = 0;
	  this.eachThen(links,function(response){
          j++;
          if(j >= maxLinks) return;

          this.thenOpen(response.data, function writeOnCSV() {
            casper.echo(this.getCurrentUrl());

            var objectsCount = this.evaluate(function(){
              return __utils__.findAll('.list .quote p').length;
            });

            var objects = this.evaluate(function(){
              return __utils__.findAll('.list .quote p');
            });
            
            if(objectsCount != undefined) {
              for(i = 0; i < objectsCount; i++) {
                if(objects[i] != null) {
                  quote = objects[i]['innerText'];
                  stream = fs.open('csv/quotes.csv','aw');
                  stream.writeLine(quote);
                  stream.flush();
                  stream.close();
                  quotes++;
                }  
              }
              
            } 
          });
          
		});      
  });
 
casper.run(function() {
    this.echo(links.length + ' links found:');
    this.echo(quotes.length + 'quotes found:');
    this.exit();
});