Date: Fri, 8 Jul 2005 13:42:30 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Drew Tomlinson <drew@mykitchentable.net> Cc: freebsd-questions@freebsd.org Subject: Re: tar Syntax Help Message-ID: <20050708104230.GB22902@beatrix.daedalusnetworks.priv> In-Reply-To: <42CDF112.5070209@mykitchentable.net> References: <42CDF112.5070209@mykitchentable.net>
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On 2005-07-07 20:20, Drew Tomlinson <drew@mykitchentable.net> wrote: > I'm trying to copy an entire file system while using an exclude file > to avoid copying things such as /dev, /proc, etc. I've read the man > page and found the -X or --exclude-from tar option. I've create a > file called /exclude.list. It contains lines such as: > > /exclude.list > /dev > /proc > > But I can't figure out how to form the correct command line. I > basically want to do this: > > tar -cvf - --exclude-from /exclude.list -C / . | tar xpf - -C . Perhaps not what you're looking for, but you can perform a similar "exclude" operation on the output of find(1), using one or more grep(1) patterns and then feed the rest to cpio(1) in 'pass-through' mode: # cd / # find / | \ grep -v '^/dev/.*' | grep -v '^/proc/.*' | \ grep -v '^/mnt/.*' | \ cpio -p -dmvu /mnt The most important detail above is that the childen of /dev, /proc and /mnt are excluded, but not the directories themselves. This is why I trim from the output of find '^/dev/.*' but not '^/dev', '^/proc/.*' but not '^/proc', etc. - Giorgoshelp
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