require 'rubygems'
require 'mechanize'

a = Mechanize.new { |agent|
	agent.user_agent_alias = 'Mac Safari'
}

a.get('http://google.com/') do |page|
	search_result = page.form_with(:name => 'f') do |search|
		search.q = 'Hello world'
	end.submit

	search_result.links.each do |link|
		puts link.text
	end
end