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CAD tip # 2009:

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	How to find in LISP which AutoCAD version has created the DWG file?
	E.g. to find which AutoCAD version has written the MYDRAWING.DWG drawing, use the following code: (setq f (open "mydrawing.dwg "r")) (setq li (read-line f)) (setq dwgver (substr li 1 6)) (close f) Compare the resulting dwgver variable with the version table - see TIP 868.

ACAD

* CAD

2.3.2002 3286x

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CAD tip # 2009:

How to find in LISP which AutoCAD version has created the DWG file?