0096                 disp(<span class="string">'bytes: total number of bytes within this file or directory &amp; subdirectories'</span>);
0097             <span class="keyword">case</span> <span class="string">'date'</span>
0098                 disp(<span class="string">'date: directory date field for this file or directory'</span>);
0099             <span class="keyword">case</span> <span class="string">'sr'</span>
0100                 disp(<span class="string">'sr: sampling rate, if known'</span>);
0101  