>function dirSynch( root1, root2, showOnly, flag, ignDate ) </strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment"> Synchronize two directory trees (or show differences between them).

 If a file or directory 'name' is found in both tree1 and tree2:
  1) if 'name' is a file in both the pair is considered the same if they
     have identical size and identical datestamp (or if ignDate=1).
