Sinatra Framework in Ruby

Sinatra
Sinatra source code

gemでインストール

$ sudo gem install sinatra
Password:
Successfully installed rack-0.9.1
Successfully installed sinatra-0.9.1.1
2 gems installed
Installing ri documentation for rack-0.9.1...
Installing ri documentation for sinatra-0.9.1.1...
Installing RDoc documentation for rack-0.9.1...
Installing RDoc documentation for sinatra-0.9.1.1...

$ mkdir test
$ cd test/
$ touch test.rb

test.rbを編集

$ emacs test.rb 
require 'rubygems'                                                                                                      
require 'sinatra'                                                                                                       
                                                                                                                        
get '/' do                                                                                                              
  'Hello world'                                                                                                         
end                                                                                                                     
                                                                                                                        
get '/hello/:name' do |n|                                                                                               
  "Hello #{params[:name]}"                                                                                              
end                                                                                                                     

サーバを立ち上げて実行

$ ruby test.rb
== Sinatra/0.9.1.1 has taken the stage on 4567 for development with backup from Thin
>> Thin web server (v1.0.0 codename That's What She Said)
>> Maximum connections set to 1024
>> Listening on 0.0.0.0:4567, CTRL+C to stop

http://0.0.0.0:4567/にアクセス