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Posted to dev@tika.apache.org by "Gregory Lepore (Jira)" <ji...@apache.org> on 2023/06/13 13:21:00 UTC

[jira] [Created] (TIKA-4068) Add magic for FAT Disk Image format

Gregory Lepore created TIKA-4068:
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             Summary: Add magic for FAT Disk Image format
                 Key: TIKA-4068
                 URL: https://issues.apache.org/jira/browse/TIKA-4068
             Project: Tika
          Issue Type: Sub-task
            Reporter: Gregory Lepore


The FAT Disk Image format occurs 614 times in the latest Common Crawl dataset. There is no known mime type for this format.

 

https://www.nationalarchives.gov.uk/PRONOM/fmt/1087

 
|h2. Signatures|
||External signatures|File extension: img
File extension: ima
File extension: dsk|
||Internal signatures|
||Name|FAT Disk Image|
||Description|BOF: Jump instruction bytes 1 and 3 - 0XEB\{1}0x90, byte 14 = Sectors per cluster, any from 1, 2, 4, 8, 16, 32, 64, or 128|
||Byte sequences|
||Position type|Absolute from BOF|
||Offset|0|
||Maximum Offset|0|
||Byte order| |
||Value|EB\{1}90\{10}(01\|02\|04\|08\|10\|20\|40\|80)|
|
|



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