mechanize sample to login and save a page.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'mechanize'
require 'pp'

def url_for(path)
  base = "http://example.com/"
  base + path
end

h = WWW::Mechanize.new

h.get url_for("login.php") do |login|
  form = login.forms.first
  form.login = "my_login"
  form.pass = "my_password"
  page = h.submit(form, form.buttons.first)
  
  suffix = Time.now.strftime("-%Y%m%d_%H%M%S.csv")
  page = h.get url_for("tracking.php")
  File.open("tracking#{suffix}", "w") do |f|
    f.write page.body
  end
end