Re: [Bug-tar] .lz also can be extension for .lzma files

[Mike Frysinger]

On Thursday 17 December 2009 00:27:21 Linda A. Walsh wrote:
> Notably, the Gnu file command doesn't recognize lzma archives as archives
>  -- it just thinks they are 'data' (file V 4.24).  Could this be related? 
>  Note - if you specify the --lzma switch, it compresses fine, so nothing
>  wrong w/the archive, just tar doesn't 'auto-recognize' it..

the original lzma format produced by lzma-utils did not include magic fields 
ot make detection of lzma compressed files easy.  this is one of the reasons 
said format is deprecated and why people are wasting time on "lzip".

> As for successors of lzma,  I may be confused, but hasn't the original
>  author released his own successor? 7z?

umm, no, the projects are not successors of the other in any way.  they all 
use lzma compression (with {lzma,xz}-utils basing their compression code on 
7z), but that is it.  7z is a compression + archiving format where xz-utils is 
only compression.
-mike

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