ウェブページをまるごとキャプチャする

gistfile1.rb

# coding: utf-8
# !/usr/bin/env ruby
require 'rubygems'
require 'capybara-webkit'

filename = ARGV[0].to_s.gsub("http", "").gsub("://","").gsub(/[\. [\/ \:]]/, "_") + ".png"
p "printing... #{filename}"

driver = Capybara::Driver::Webkit.new 'web_capture'
driver.visit ARGV[0].to_s
driver.render "#{filename}"