/* Load and initialize new data sink.
     * Returns empty string on success or error on failure.
     *
     * void setSink(string)
     */
    // {{{
    function setSink($sink) {
        require_once("logSinks/$sink.class.php");
        $sink = "Log$sink";
        $this =& new $sink()
            || die("Cannot initialize sink: $sink");
    }
    // }}}