if not State.recent_updated then
    if State.id then
      local f, err = io.open(love.filesystem.getSaveDirectory()..'/'..Directory..'recent', 'a')
      if not f then
        error(err)
      end
      assert(not err)
      f:write(State.id, '\n')
      f:close()
    end
    State.recent_updated = true
  end

    recent_updated = false,  -- on first write, log filename to a 'recent' file

    pane.recent_updated = false