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Re: [Bug-tar] feature request: determine compression type from stdin

From: Joerg Schilling
Subject: Re: [Bug-tar] feature request: determine compression type from stdin
Date: Thu, 29 Oct 2015 11:02:24 +0100
User-agent: Heirloom mailx 12.5 7/5/10

Scott Moser <address@hidden> wrote:

> I'm using gnu tar 1.28 as packaged on Ubuntu (xenial) and also tried 1.27
> on 15.10.  Please forgive me if this feature is already added upstream.
> Tar's determination of compression is very handy:

> My issue is that it only works if input is from a file.  The following do
> not work:
>    $ wget http://example.com/some.tar.gz | tar -tf -
>    $ tar -tf - < my.tar.gz
>    tar: Archive is compressed. Use -z option
>    tar: Error is not recoverable: exiting now

Did you try "star"? Star implementes this feature since 15 years and gtar's 
current auto-decompression features appeared after star offered the feature.


 EMail:address@hidden                    (home) Jörg Schilling D-13353 Berlin
       address@hidden (work) Blog: http://schily.blogspot.com/
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