or" href="#arg-dry-run"></a></dt>
<dd><p>logical; whether to do a dry run, just listing files that will
be downloaded. This can be useful when testing the use of <code>pattern</code> to
filter the files to download.</p></dd>


<dt id="arg-force">force<a class="anchor" aria-label="anchor" href="#arg-force"></a></dt>
<dd><p>logical; if the data have already been downloaded, should a
fresh copy be downloaded anyway.</p></dd>


<dt id="arg-show-progress">show_progress<a class="anchor" aria-label="anchor" href="