public function getContent($file)
    {
        // create the tempfile which will contain the content
        $tempFileName = GeneralUtility::tempnam('doc_files-Indexer');

        // Delete if exists, just to be safe.
        @unlink($tempFileName);

        // generate and execute the pdftotext commandline tool
        $fileEscaped = CommandUtility::escapeShellArgument($file);
        $cmd = "{$this->app['catdoc']} -s8859-1 -dutf-8 $fileEscaped > $tempFileName";
        CommandUtility::exec($cmd);

        // check if the tempFile was successfully created
        if (@is_file($tempFileName)) {
            $content = GeneralUtility::getUrl($tempFileName);
            unlink($tempFileName);
        } else {
            return false;
        }

        // check if content was found
        if (strlen($content)) {
            return $content;
        } else {
            return false;
        }
    }