
                    this.printExit();
                    status = 0;
                    <span class="keyword">return</span>;
                <span class="keyword">end</span>

                <span class="comment">% Pre-process</span>
                <span class="keyword">if</span> (this.echo &gt; 0)
                    fprintf(<span class="string">'\nPre-processing...\n'</span>);
                <span class="keyword">end</span>
                <span class="keyword">if</span> (~drv.preProcess())
         