If you want to store StumpWM data between sessions, the recommended method is to store them in ~/.stumpwm.d/. StumpWM supplies some functions to make doing this easier.
The directory used by stumpwm to store data between sessions.
Default Values:
type nil
Return a pathname inside stumpwm’s data dir with the specified name and type
Open a file in StumpWM’s data directory. keyword arguments are sent directly to OPEN. Note that IF-EXISTS defaults to :supersede, instead of :error.