[abrogard]

User variable. thanks.
What name do I give the variable? I mean is that the name? Or I give any name and that is the 'value' ?

all kinds of files in the folder. It is a subfolder in my windows 'downloads' folder. I create them from time to time and shunt all the downloads off into them to clear a space.

so there's everything/anything in there.

p.s. the problem comes before any question of file types. the system won't allow that folder name into the selected file field.

Or any folder name. I should make that clear. It's any folder. I can't get it to accept a 'single folder' add books thing.