Gmail scraping by using mechanize gem

require 'rubygems'

require 'mechanize'

agent = Mechanize.new

page = agent.get 'http://www.gmail.com'

form = page.forms.first

form.Email = 'your gmail id here'

form.Passwd = 'your gmail here'

page = agent.submit form

puts page.inspect

You will get gmail page html source.