CAD tip # 2009:

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CAD

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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 7550×

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