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Re: Autoconf distributions and xz dependency

From: Warren Young
Subject: Re: Autoconf distributions and xz dependency
Date: Tue, 06 Mar 2012 09:11:55 -0700
User-agent: Mozilla/5.0 (Windows NT 6.0; WOW64; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2

On 3/6/2012 2:31 AM, Olaf Lenz wrote:

On 03/06/2012 10:27 AM, Alberto Luaces wrote:
Warren Young writes: At least version 1.26 implements -a, which
determines the compressor from the file suffix.

I think that may be a red herring, because...

I think since some years now I don't need to give neither -z or -a, just

tar xvf bla.tar.xz
tar xvf bla.tar.gz

I did some research, and this was added in GNU tar 1.15, about 8 years ago:

Serves me right for not watching ChangeLogs religiously.

Thanks all for cluing me into this new feature.

Alas, I do still use machines with tar < 1.15...

On 3/6/2012 4:10 AM, Werner LEMBERG wrote:
On Mac OS X Lion, this actually happens: Regardless of the compression
algorithm, you always use `-z' while extracting.

I think this is probably also the same feature, where -z or -j is simply no longer needed for -x or -t.

I tested with bsdtar, and it apparently has the same feature, at least as of Lion.

Anyway, back to your regularly-scheduled autoconf.

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