p><dl compact="compact">
<dt>&lsquo;<samp>file</samp>&rsquo;</dt>
<dd><p>set the file name to use for the report; <code>%p</code> is expanded to the name
of the program, <code>%t</code> is expanded to a timestamp, <code>%%</code> is expanded
to a plain <code>%</code>
</p></dd>
<dt>&lsquo;<samp>level</samp>&rsquo;</dt>
<dd><p>set the log verbosity level using a numerical value (see <code>-loglevel</code>).
</p></dd>
</dl>

<p>For example, to output a report to a file named &lsquo;<tt>ffreport.log</tt>&rsquo;