gistfile1.txt

ActionController::Routing::Routes.draw do |map|
  map.root :controller => 'posts'
end

$ rake routes
root  / {:controller=>"posts", :action=>"index"}




ActionController::Routing::Routes.draw do |map|
  map.resources :posts, :as => ''
end

$ rake routes
(in /Users/sergio/routes)
    posts GET    /(.:format)          {:controller=>"posts", :action=>"index"}
          POST   /(.:format)          {:controller=>"posts", :action=>"create"}
 new_post GET    //new(.:format)      {:controller=>"posts", :action=>"new"}
edit_post GET    //:id/edit(.:format) {:controller=>"posts", :action=>"edit"}
     post GET    //:id(.:format)      {:controller=>"posts", :action=>"show"}
          PUT    //:id(.:format)      {:controller=>"posts", :action=>"update"}
          DELETE //:id(.:format)      {:controller=>"posts", :action=>"destroy"}