Unsign Jar Files (Recursively)

ant = new AntBuilder();
tmpDir = "tmpDir"

new File(args[0]).eachFileRecurse({file->
   if(file.name.endsWith(".jar")) {
       ant.sequential {
           mkdir(dir:tmpDir)
           echo "Unsigning file: $file"
           unjar(src:file, dest:tmpDir)
           delete {
               fileset(dir:tmpDir, includes:"META-INF/*.DSA,META-INF/*.SF,META-INF/*.RSA")
            }
           jar(destFile:file,baseDir:tmpDir)
           delete(dir:tmpDir)
        }
    }
})