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Date: Sun, 11 Mar 2007 18:20:58 -0700
From: Tim Kientzle <kientzle@freebsd.org>
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To: Kris Kennaway <kris@obsecurity.org>
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Cc: current@freebsd.org
Subject: Re: BSDtar performance vs GNUtar (Re: cvs commit: src/usr.bin/tar
 Makefile bsdtar.c bsdtar.h bsdtar_platform.h	config_freebsd.h	getdate.y
 matching.c
 read.c tree.c util.c	write.c	src/usr.bin/tar/test config.sh
 test-acl.sh	test-basic.sh
 test-deep-dir.sh test-flags.sh test-nodump.sh ...)
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>>>... gtar bitch a bit about unknown options (SCHILY.*) ...
>>
>>bsdtar should probably warn about unknown options as well;
>>I'll have to look into that.
> 
> This was an archive created by bsdtar, so they shouldn't have been
> unknown to it :)

Yes, but the GNU tar folks, in particular, have
introduced a bunch of new options just in the
last year, so bsdtar is increasingly likely to
see options it doesn't know.  For example, I
should add support for the new GNU tar sparse
file format soon.

Tim