function initPostinstallScripts()
    {
        $filelist = $this->getFilelist();
        $contents = $this->getContents();
        $contents = $contents['dir']['file'];
        if (!is_array($contents) || !isset($contents[0])) {
            $contents = array($contents);
        }
        $taskfiles = array();
        foreach ($contents as $file) {
            $atts = $file['attribs'];
            unset($file['attribs']);
            if (count($file)) {
                $taskfiles[$atts['name']] = $file;
            }
        }
        $common = new PEAR_Common;
        $common->debug = $this->_config->get('verbose');
        $this->_scripts = array();
        foreach ($taskfiles as $name => $tasks) {
            if (!isset($filelist[$name])) {
                // file was not installed due to installconditions
                continue;
            }
            $atts = $filelist[$name];
            foreach ($tasks as $tag => $raw) {
                $taskname = $this->getTask($tag);
                $task = &new $taskname($this->_config, $common, PEAR_TASK_INSTALL);
                if (!$task->isScript()) {
                    continue; // scripts are only handled after installation
                }
                $lastversion = isset($this->_packageInfo['_lastversion']) ?
                    $this->_packageInfo['_lastversion'] : null;
                $task->init($raw, $atts, $lastversion);
                $res = $task->startSession($this, $atts['installed_as']);
                if (!$res) {
                    continue; // skip this file
                }
                if (PEAR::isError($res)) {
                    return $res;
                }
                $assign = &$task;
                $this->_scripts[] = &$assign;
            }
        }
        if (count($this->_scripts)) {
            return true;
        }
        return false;
    }