gem install http_request.rb

#irb
irb(main):001:0> require 'rubygems'; require 'http_request'
irb(main):002:0> HttpRequest.get('http://www.github.com').body
=> body content ...
irb(main):003:0> HttpRequest.get('http://www.github.com').each {|k, v| puts "#{k} => #{v}"}
=> headers list ...
irb(main):004:0> HttpRequest.get('http://www.ruby-lang.org').code_200?
=> true

http://www.github.com/xianhuazhou/http_request.rb