docs: def with_checklist(self):
          """Using dialog and checklist option
          """
          data = []
          if self.name == "ALL":
              data = self.data
          else:
              for name in self.data:
                  if self.name in name:
                      data.append(name)
          if data:
              text = "Press 'spacebar' to choose SlackBuild for view"
              title = " SlackBuilds.org "
              backtitle = "{0} {1}".format(_meta_.__all__, _meta_.__version__)
              status = False
              pkg = DialogUtil(data, text, title, backtitle, status).checklist()
              if pkg and len(pkg) > 1:
                  print("\nslpkg: Error: Choose only one package")
                  raise SystemExit()
              if pkg is None:
                  raise SystemExit()
              self.name = "".join(pkg)
              os.system("clear")