[File] [PATCH] of Magdir/archive for XBMC texture package; extension *.xbt

[Christos Zoulas]

Added, thanks!

christos

> On Apr 1, 2019, at 5:19 PM, Jörg Jenderek <joerg.jen.der.ek at gmx.net> wrote:
> 
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> Hello,
> some days ago i run file command version 5.36 inside my kodi
> formerly known as XBMC media software. Some samples with "xbt"
> extension are only described as "data".
> 
> Most information is found on wiki page of kodi software. So add
> comment line like
> # URL:		https://kodi.wiki/view/TexturePacker
> According to that page a xbt file contains images used by kodi for
> faster access. So add lines to Magdir/archive. File format
> information is available by looking in header files like XBTF.h of
> kodi sources.
> 
> Such files start with a 4 byte magic expressed as magic line like
> 0	string	XBTF
> Afterward comes the version. At the moment there exist only version
> 2. So display version information only if not standard by line like:
>>> 4	string	!2		\b, version %-.1s
> 
> According to c-source XBTFReader.cpp afterwards the number of files
> inside package is stored. This is now shown by lines
>>> 5	ulelong	x		\b, %u file
>>> 5	ulelong	>1		\bs
> 
> Afterwards comes information about stored files starting with path
> string of first archive member. This is shown by line like
>>> 9	string	x		\b, 1st %s
> The string is null terminated and has a maximal length of 256 chars.
> So look at the last char of path. This must be null. This can be
> used to distinguish binary xbt file from ASCII text starting with
> phrase "XBTF" like sample XBTF.txt by second magic line
>> 264	ubyte	0		XBMC texture package
> After detection show used defined mime type and filename extension
> by lines:
> !:mime	application/x-xbmc-xbt
> !:ext	xbt
> 
> After applying the above mentioned modifications by patch
> file-5.36-archive-xbt.diff then all inspected examples are now
> described like:
> curial.xbt:   XBMC texture package, 6 files,
> 	1st buttons/button-nofo.png
> flat.xbt:     XBMC texture package, 3 files,
> 	1st buttons/button-nofo.png
> Textures.xbt: XBMC texture package, 809 files,
> 	1st black/osd/loading.png
> XBTF.txt:     ASCII text, with CRLF line terminators
> 
> I hope my diff file can be applied in future version of file utility.
> 
> With best wishes
> Jörg Jenderek
> - --
> Jörg Jenderek
> 
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