gistfile1.rb

def download_file(url)
    
    request = "GET #{url} HTTP/1.0\r\n\r\n"
    host = /^https?:\/\/([^\/]+)/.match(url.to_s)
    socket = TCPSocket.open(host[1].to_s,80)
    socket.print(request)        

    # find beginning of response body
    buffer = ""                    
    while !buffer.match("\r\n\r\n") do
      buffer += socket.read(1)  
    end           

    return socket.read(3000)
end