public function delete($file)
	{
		$metaFile = $this->getMetaFilePath($file);
		if ($this->fs->exists($metaFile))
			$this->fs->delete($metaFile);
		if ($this->f3->get('CACHE')) {
			$cache = \Cache::instance();
			if ($cache->exists($cacheHash = $this->getCacheHash($file)))
				$cache->clear($cacheHash);
		}
	}