image resize

require 'rubygems'
require "find"   # to use command-line "find" to go through subdirectories for files
require 'RMagick'


@in_dir = ARGV[0]

Find.find(@in_dir) do |path|

  if !FileTest.directory?(path) && (path[-4,4] == ".jpg")   
    puts path  
    puts "reading "
    img = Magick::Image::read(path).first.resize_to_fit(1000,1000) 
    puts "writeing " 
    img.write(path) { self.quality = 100 }
  end
end