gistfile1.rbx

require 'right_http_connection'
require 'tempfile'

c = Rightscale::HttpConnection.new
f = Tempfile.new('foo')

url = URI.parse('http://example.com/my/big/file')

while data = c.request(:server => url.host, :port => 80, :protocol => 'http', :request => Net::HTTP::Get.new(url.path)).body.read(1024)
  f.write(data)
end