Date: Tue, 12 Jul 2005 14:26:45 +0100 From: Alex Zbyslaw <xfb52@dial.pipex.com> To: Giorgos Keramidas <keramida@ceid.upatras.gr>, "Sherman, Michael (GE Energy)" <michael.sherman@og.ge.com> Cc: freebsd-questions@freebsd.org Subject: Re: tar or gtar Message-ID: <42D3C515.7070305@dial.pipex.com> In-Reply-To: <20050712120326.GA29851@beatrix.daedalusnetworks.priv> References: <9CC5C6311E4BBB45BF135CAF2B9B6DB4014AC60E@SCHMLVEM04.e2k.ad.ge.com> <20050712120326.GA29851@beatrix.daedalusnetworks.priv>
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Giorgos Keramidas wrote: >Hmmm, I'm not sitting on FreeBSD, but looking at the manpage I can only >see -y (bzip2 compression) and -z (gzip compression); I couldn't find an >option called -Z. > -Z is compress -- possibly gtar only. It's much worse than the alternatives and is only useful for compatibility. I still see .Z files occasionally. A bit surprised to see it completely missing from bsd tar. $ tar -cZf foo.tar.Z foo tar: .Z compression not supported So it's still recognised at some level. In fact $ tar -cf foo.tar foo $ compress foo.tar $ tar -tZf foo.tar.Z foo foo/files foo/files/patch-Makefile.in foo/distinfo foo/pkg-descr foo/pkg-plist foo/Makefile So it will still unpack. Presumably won't create since gzip is now ubiquitous and compress is awful by comparison. --Alex
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