Jad bylų generavimas su ruby.

 
require 'rubygems'
require 'zip/zip'
 
filename = "game.jar"
res = [
  "MIDlet-Jar-URL: #{filename}",
  "MIDlet-Jar-Size: #{File.size(filename)}"
]
valid_params = [
  /MIDlet-Name:/,
  /MIDlet-Version:/,
  /MIDlet-Vendor:/,
  /MicroEdition-Profile:/,
  /MicroEdition-Configuration:/,
  /MIDlet-\d:/
]
Zip::ZipFile.open(filename) do |fs|
 fs.read("META-INF/MANIFEST.MF").split("\r\n").each do |line|
   valid_params.each do |vp|
      res << line if line =~ vp
    end
  end
end
 
File.open("#{File.basename(filename, ".jar")}.jad", "wb") do |f|
  f.write res.join("\r\n")
end