 contain (or do not contain) matches.
For better compatibility with <em>git diff</em>, <code>--name-only</code> is a
synonym for <code>--files-with-matches</code>.</p>
</dd>
<dt class="hdlist1">-O[&lt;pager&gt;]</dt>
<dt class="hdlist1">--open-files-in-pager[=&lt;pager&gt;]</dt>
<dd>
<p>Open the matching files in the pager (not the output of <em>grep</em>).
If the pager happens to be "less" or "vi", and the user
specified only one pattern, the first file is positioned at
the first match automatically. The <