Google robot

google_robot.rb

require 'capybara/dsl'
require 'selenium-webdriver'
 
Capybara.run_server = false
Capybara.default_driver = :selenium
 
class GoogleRobot
	include Capybara::DSL
 
	def go
 		visit "http://www.google.com"
 		fill_in "q", with: "ruby"
 		find("#gbqfb").click
 		sleep 2 # it's bad practice but works
 		
 		all(:xpath, '//*[@id="rso"]/li/div/h3/a').each do |result|
 			puts result.text
 		end
	end
end
 
r = GoogleRobot.new
r.go

2 gems should be installed:
sudo gem install capybara
sudo gem install selenium-webdriver