   <span class="keyword">if</span> (~status)
                        <span class="keyword">continue</span>;
                    <span class="keyword">end</span>
                <span class="keyword">else</span>
                    fprintf(<span class="string">'Input file:\n%s\n'</span>,this.cur_file);
                    fprintf(2,<span class="string">'\nInvalid input file extension.\n'</span>);
                    this.printExit();
                    <span class="keyword">continue</span>;
                