Date: 30 Nov 2004 13:33:09 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: freebsd@orchid.homeunix.org Cc: kientzle@acm.org Subject: Re: bsdtar '--exclude pattern' problems Message-ID: <44acsz9ogq.fsf@be-well.ilk.org> In-Reply-To: <41AC7636.2050605@orchid.homeunix.org> References: <41AC7636.2050605@orchid.homeunix.org>
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Karol Kwiatkowski <freebsd@orchid.homeunix.org> writes: > Hello all, > > I upgraded 5.2.1 to 5.3 recently and I'm trying to run my cron scripts > which use tar utility (which defaults to bsdtar(1) on 5.3) and I can't > figure out how to use '--exclude pattern' with it. It seems I'm > missing something obvious here or bsdtar(1) is happily ignoring > --exclude option. > > my system: > FreeBSD 5.3-RELEASE-p1 #4: Sat Nov 27 19:37:42 CET 2004 > > here's what I try to run: > > orchid# /usr/bin/tar -czvf /home/root.backup/test.tar.gz -C /home . \ > --exclude "root.backup/*" --exclude "pub/*" --exclude "ncvs/*" > > I tried '-W exclude=pattern', too: > > orchid# /usr/bin/tar -czvf /home/root.backup/test.tar.gz -C /home . \ > -W exclude="root.backup/*" -W exclude="pub/*" -W exclude="ncvs/*" > > Both commands include all directories under /home. However using > /usr/bin/gtar works as expected. According to the tar(1) manual, the file parameters are supposed to come after all of the option parameters. So instead of > orchid# /usr/bin/tar -czvf /home/root.backup/test.tar.gz -C /home . \ > --exclude "root.backup/*" --exclude "pub/*" --exclude "ncvs/*" I think you should have > orchid# /usr/bin/tar -czvf /home/root.backup/test.tar.gz -C /home \ > --exclude "root.backup/*" --exclude "pub/*" --exclude "ncvs/*" . which seems to do what you're expecting. I don't have access to a copy of the POSIX spec, but I seem to recall that it generally expects the options first. So that may be where the behaviour originates. Be well. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/
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