Muestra las últimas noticias en medios argentinos

news.sh

#!/bin/bash
casperjs tn_news.js
./rss_news.rb http://www.clarin.com/rss/lo-ultimo/ Clarin
./rss_news.rb http://contenidos.lanacion.com.ar/herramientas/rss-origen=2 LaNacion

rss_news.rb

#!/usr/bin/env ruby

require 'rss'
require 'open-uri'
require 'sanitize'

url = ARGV[0]
open(url) do |rss|
  feed = RSS::Parser.parse(rss)
  feed.items.each do |item|
    title = Sanitize.fragment(item.title)
    puts "##{ARGV[1]} - #{title}"
  end
end

tn_news.js

/*
 *  Muestra las noticias destacadas de TN
 *
 *  casperjs tn_news.js
 *  casperjs tn_news.js | grep Tinelli -> Muestra las noticias importantes
 */

var casper = require('casper').create({
  waitTimeout: 10000,
  pageSettings: {
    loadImages:  false,
    loadPlugins: false
  },
  viewportSize: {
    height: 1000,
    width: 1024
  }
});

var baseUrl = "http://www.tn.com.ar";

function loadNews(){
  casper.then(function() {

    var mainHeadlineH1 = this.evaluate(function() {
        return document.querySelector('h1').textContent.trim();
    });

    var mainHeadlineH2 = this.evaluate(function() {
        return document.querySelector('h2').textContent.trim().substring(0,100) + "...";
    });

    console.log("#TN - " + mainHeadlineH1 + " - " + mainHeadlineH2);

    var featuredNews = this.evaluate(function() {
      var news = document.querySelectorAll('h2.heading');
      return Array.prototype.map.call(news, function(e) {
          return e.textContent.trim();
      });
    });

    for (var i = 0; i < featuredNews.length; i++) {
      console.log("#TN - " + featuredNews[i]);
    }
  });
}

casper.start(baseUrl, loadNews);
casper.run();