linux-kernel - Re: Smaller compressed kernel source tarballs?

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Date:	Fri, 22 Sep 2006 09:33:01 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
CC:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Dax Kelson <dax@...ulabs.com>,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: Smaller compressed kernel source tarballs?

Jan Engelhardt wrote:
>>> widely used until there is an "lzip" which does the same thing.  I 
>>> actually started the work of adding LZMA support to gzip, but then 
>>> realized it would be better if a new encapsulation format with proper 
>>> 64-bit support everywhere was created.
>> It doesn't handle streaming?
>>
>> So you can't do: tar c dirname | 7zip dirname.tar.7z ?
> 
> man 7z [slightly changed for reasonability]:
> 
>   -si
>       Read data from StdIn (eg: tar -c directory | 7z a -si directory.tar.7z)
> 

Yes, but you can't make it write to an unseekable stdout.

	-hpa
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