Ruby Script for Optimizing JPEGs with jpegtran

ruby-jpegtran.rb

#!/usr/bin/env ruby

files = Array.new
Dir.new(Dir.pwd).entries.each { |n| files.push(n) if File.file?(n) }

files.each do |file|
	if file =~ /jpg|JPG:/i
		system "jpegtran -copy none -optimize -outfile #{file} #{file}"
		print "optimized #{file}\n"
	end
end