Automaticly clean up unexpected things

refile.org

mkdir -p /tmp/automatic-cleanup/ 
touch /tmp/automatic-cleanup/want-1
touch /tmp/automatic-cleanup/need-2
touch /tmp/automatic-cleanup/expect-3
touch /tmp/automatic-cleanup/extra-1
touch /tmp/automatic-cleanup/delete-me-2

bundle agent main
{
  vars:
      "expected" slist => { "want-1", "need-2", "expect-3" };

      "found" slist => lsdir( "/tmp/automatic-cleanup/", "^(?!(\.$|\.\.$)).*", false);

      # Note, order of found vs expected is important
      "unexpected" slist => difference( found, expected);

  reports:
      "$(unexpected)";
}

R: extra-1
R: delete-me-2