Rails: Single File App

I took inspiration from the Pratik Naik post, and realized a more simplistic version of its Rails single file app. My implementation has only Rails as unique dependency.
require 'rubygems' require 'action_controller' require 'webrick' require 'webrick_server'

class HelloWorldController ‘Hello World!’ end end


ActionController::Routing::Routes.draw do |map|
map.root :controller => “hello_world”
end

DispatchServlet.dispatch :port => 3000, :server_root => File.dirname(FILE)

Update 2008-06-04: I just wrote another version which also uses ActiveRecord and a template.
require 'rubygems' require 'activerecord' require 'action_controller' require 'webrick' require 'webrick_server'

ActiveRecord::Base.establish_connection( :adapter => ‘sqlite3’, :database => ’tiny_rails.sqlite3’, :timeout => 5000)


ActiveRecord::Schema.define do
create_table :people, :force => true do |t|
t.string :first_name
end
end
class Person  ‘Luca’
File.open(‘index.html.erb’, ‘w’) do |f|
f !\n"
end
class HelloWorldController  ‘index.html.erb’
end
end
ActionController::Routing::Routes.draw do |map|
map.root :controller => “hello_world”
end

DispatchServlet.dispatch :port => 3000, :server_root => File.dirname(FILE)

Just start the script and point your browser at http://localhost:3000!