Ruby/Network/net http library

require "net/http"
url = URI.parse("http://www.rubyinside.ru/test.txt")
response = Net::HTTP.get_response(url)
puts response.body

require "net/http"
Net::HTTP.start("http://www.rubyinside.ru/") do |http|
  req = Net::HTTP::Get.new("/test.txt")
  puts http.request(req).body
end

require "net/http"
url = URI.parse("http://www.rubyinside.ru/test.txt")
Net::HTTP.start(url.host, url.port) do |http|
  req = Net::HTTP::Get.new(url.path)
  puts http.request(req).body
end