le'</span>)
0074                 file_name = fullfile(prefdir, fname);
0075                 fid = fopen(file_name, <span class="string">'wt'</span>);
0076             <span class="keyword">end</span>
0077             <span class="keyword">if</span> fid == -1
0078                 string = false;
0079                 <span class="keyword">return</span>;
0080             <span class="keyword">end</span>
0081         <span class="keyword">end</span>
0082         <span class="keyword">try</span>
0083            