1
2#------------------------------------------------------------------------------
3# autocad: file(1) magic for cad files
4#
5
6# AutoCAD DWG versions R13/R14 (www.autodesk.com)
7# Written December 01, 2003 by Lester Hightower
8# Based on the DWG File Format Specifications at http://www.opendwg.org/
90 string \101\103\061\060\061 AutoCAD
10>5 string \062\000\000\000\000 DWG ver. R13

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45>>30 string \372\104 DGNFile
46>>30 string \372\106 DGNFile
47>>30 string \376\103 DGNFile
48>4 string \030\000\000 CITFile
49>4 string \030\000\003 CITFile
50
51# AutoCad, from Nahuel Greco
52# AutoCAD DWG versions R12/R13/R14 (www.autodesk.com)
530 string AC1012 AutoCad (release 12)
540 string AC1013 AutoCad (release 13)
550 string AC1014 AutoCad (release 14)
56
57# CAD: file(1) magic for computer aided design files
58# Phillip Griffith <phillip dot griffith at gmail dot com>
59# AutoCAD magic taken from the Open Design Alliance's OpenDWG specifications.
60#
610 belong 0x08051700 Bentley/Intergraph MicroStation DGN cell library
620 belong 0x0809fe02 Bentley/Intergraph MicroStation DGN vector CAD
630 belong 0xc809fe02 Bentley/Intergraph MicroStation DGN vector CAD
640 beshort 0x0809 Bentley/Intergraph MicroStation
65>0x02 byte 0xfe
66>>0x04 beshort 0x1800 CIT raster CAD
670 string AC1012 AutoDesk AutoCAD R13
680 string AC1014 AutoDesk AutoCAD R14
690 string AC1015 AutoDesk AutoCAD R2000