blog$ rails g controller posts
      create  app/controllers/posts_controller.rb
      invoke  erb
      create    app/views/posts
      invoke  test_unit
      create    test/functional/posts_controller_test.rb
      invoke  helper
      create    app/helpers/posts_helper.rb
      invoke    test_unit
      create      test/unit/helpers/posts_helper_test.rb
      invoke  assets
      invoke    coffee
      create      app/assets/javascripts/posts.js.coffee
      invoke    scss
      create      app/assets/stylesheets/posts.css.scss