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How would I go about finding a drawing file in a set of folders that has AutoCAD Arch Walls, Doors, etc in it?
Possible via ObjectDXB?... I have some code, but not certain about how to look for AEC_WALL, AEC_DOOR, AEC_WINDOW etc.
You can use something like this to test and see if the object in the selection set is a wall.
(= "AEC_WALL"(cdr (assoc 0 (entget (setq eName (cadr obj))))))