dos_dwgver - dalefugier/DOSLib GitHub Wiki
Returns the version of an AutoCAD drawing file.
Syntax
(dos_dwgver filename)
Parameters
filename
The source filename.
Returns
A string identifying the drawing file version if successful.
nil on error.
Example
Command: (dos_dwgver "c:\\Program Files\\AutoCAD 2010\\drawing1.dwg")
"AutoCAD 2010"