       <p>True if the file exists or false otherwise</p>

                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:vC10PerfectLib4File6isOpenSb"></a>
                    <a name="//apple_ref/swift/Property/isOpen" class="dashAnchor"></a>
                    <a class="token" href="#/s:vC10PerfectLib4File6isOpenSb">isOpen</a>
                   