2 #------------------------------------------------------------------------------
3 # autocad: file(1) magic for cad files
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/
9 0 string \101\103\061\060\061 AutoCAD
10 >5 string \062\000\000\000\000 DWG ver. R13
11 >5 string \064\000\000\000\000 DWG ver. R14
13 # Microstation DGN/CIT Files (www.bentley.com)
14 # Written October 30, 2003 by Lester Hightower
15 # DGN is the default file extension of Microstation/Intergraph CAD files.
16 # CIT is the proprietary raster format (similar to TIFF) used to attach
17 # raster underlays to Microstation DGN (vector) drawings.
19 # http://www.wotsit.org/search.asp
20 # http://filext.com/detaillist.php?extdetail=DGN
21 # http://filext.com/detaillist.php?extdetail=CIT
23 # http://www.bentley.com/products/default.cfm?objectid=97F351F5-9C35-4E5E-89C2
24 # 3F86C928&method=display&p_objectid=97F351F5-9C35-4E5E-89C280A93F86C928
25 # http://www.bentley.com/products/default.cfm?objectid=A5C2FD43-3AC9-4C71-B682
26 # 721C479F&method=display&p_objectid=A5C2FD43-3AC9-4C71-B682C7BE721C479F
27 0 string \010\011\376 Microstation
29 >>30 string \372\104 DGN File
30 >>30 string \172\104 DGN File
31 >>30 string \026\105 DGN File
32 >4 string \030\000\000 CIT File
34 # AutoCad, from Nahuel Greco
35 0 string AC1012 AutoCad (release 12)
36 0 string AC1014 AutoCad (release 14)