gistfile1.txt

# get the image width and height for a remote image
require 'rubygems'
require 'open-uri'
require 'RMagick'

class RemoteImage
  def initialize(path)
    @image = Magick::ImageList.new.from_blob(open(path).read)
  end
  
  def height
    @image.rows
  end
  
  def width
    @image.columns
  end
end