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Re: [OT] Magic numbers



On Sun, 06 Feb 2011 20:27:16 +0000, Lisi wrote:

> I need to find out:
> a)What the magic number should be for certain types of file 

"man magic" says you have to look under "/usr/share/file/magic"

> and b)Whether a specific file of that type has the correct magic number.

"file" command, as already pointed out, can help.

> Here is my one, so far futile, effort - in addition to googling until I
> can see magic numbered smoke coming out of my ears. :-(
> 
> lisi@Tux:~$ cat /usr/share/misc/magic.mgc | grep gzip 
> Binary file (standard input) matches
> lisi@Tux:~$

grep gzip /usr/share/file/magic

> I realise that this is more specific to UNIX than specific to Debian -
> but it applies to all the UNIX family, and Debian is part of that
> family. ;-)

Additional info:

http://www.linfo.org/magic_number.html

Greetings,

-- 
Camaleón


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