[Ruby] Save image from web

# save image from web

# 2011. 1. 7

require 'open-uri'

def read_url_file(url_name_, number_)

    open(url_name_) { |from| $data = from.read }

    File.open("#{number_}.jpg", "wb:binary") { |to| to.write($data) }

end

read_url_file("http://chobocho.com/photo/sydney.jpg", 2)