docs: public void ls() throws Exception {
  
          String folder = CmsResource.getFolderPath(m_cms.getRequestContext().getUri());
          List<CmsResource> resources = m_cms.getResourcesInFolder(folder, CmsResourceFilter.IGNORE_EXPIRATION);
          m_shell.getOut().println(
              "\n" + getMessages().key(Messages.GUI_SHELL_LS_2, folder, new Integer(resources.size())));
          Iterator<CmsResource> i = resources.iterator();
          while (i.hasNext()) {
              CmsResource r = i.next();
              m_shell.getOut().println(m_cms.getSitePath(r));
          }
          m_shell.getOut().println();
      }