exist(strcat(FileName,<span class="string">'.mat'</span>),<span class="string">'file'</span>) == 2
0047         <span class="comment">% Check if file is an abravibe file, i.e. it contains a variable</span>
0048         <span class="comment">% &quot;Header&quot;</span>
0049         s=whos(<span class="string">'-file'</span>,FileName,<span class="string">'Header'</span>);
0050         <span class="keyword">if</span> isempty(s)
0051             <span class="comment">% ignore file, it is not an abravibe file</s