def _finalize(self, dry_run=False):
        """Remove / compress files as requested """
        for rmfile in self.files.temp_files:
            if dry_run:
                print("remove %s" % rmfile)
            else:
                os.remove(rmfile)
        for gzfile in self.files.gzip_files:
            if dry_run:
                # print ("gzip %s" % gzfile)
                pass
            else:
                os.system('gzip -9 %s' % gzfile)