gistfile1.rb

# -*- coding: utf-8 -*-
require 'fileutils'
FileUtils.mkdir('images') unless File.directory?('images')
Dir.glob("source/_posts/*.markdown").each do |post|
  content = File.read(post)
  images = content.scan(%r{(http://ieatcupcakes.com/wp-content/.+\.jpg|png|jpeg)})
  images.flatten.each do |image|
    puts "Downloading #{image}"
    Dir.chdir('images') { `curl -O #{image}`}
  end
end