function FileUpadter()
{
FileSystemObject::setRoot(dirname(__FILE__));
$d = new Dir('files');
$fu = new FileUpdater($d->getDir('source/includes'), $d->getDir('target/includes'), $d->getDir('backup/includes'));
$command = ArgsHolder::get()->shiftCommand();
if ($command == 'cdo') {
$fu->copyDo();
} elseif ($command == 'cundo') {
$fu->copyUndo();
} elseif ($command == 'undo') {
$fu->undo();
} elseif ($command == 'do') {
$fu->run();
} else {
io::out('command not found');
}
}
