docs: def auto_detect(self, args):
          """Check for already Slackware binary packages exist
          """
          suffixes = [
              ".tgz",
              ".txz",
              ".tbz",
              ".tlz"
          ]
          if (not args[0].startswith("-") and args[0] not in self.commands and
                  args[0].endswith(tuple(suffixes))):
              packages, not_found = [], []
              for pkg in args:
                  if pkg.endswith(tuple(suffixes)):
                      if os.path.isfile(pkg):
                          packages.append(pkg)
                      else:
                          not_found.append(pkg)
              if packages:
                  Auto(packages).select()
              if not_found:
                  for ntf in not_found:
                      self.msg.pkg_not_found("", ntf, "Not installed", "")
              raise SystemExit()