=readsnd2d(filename)">readsnd2d</a>(datfile);
0022 <span class="keyword">elseif</span> ismember(lext,{<span class="string">'.wen'</span>,<span class="string">'.dd'</span>,<span class="string">'.pd'</span>,<span class="string">'.pp'</span>,<span class="string">'.slm'</span>})
0023     N=<a href="readres2dinvfile.html" class="code" title="function N = readres2dinvfile(datafile)">readres2dinvfile</a>(datfile);
0024 <span class="keyword">else</span>
0025     cf=<a href="check2dfile.html" class="code" title="fun