lean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/taskdefs/Tar.html#archiveIsUpToDate(java.lang.String[], java.io.File)">archiveIsUpToDate</a></strong>(java.lang.String[]&nbsp;files,
                 java.io.File&nbsp;dir)</code>
<div class="block">Is the archive up to date in relationship to a list of files.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/tools/ant/taskdefs/Tar.TarFileSet.html" tit