Messages in this thread | | | From | "Ulrich Windl" <> | Date | Mon, 11 Mar 1996 09:33:12 +0100 | Subject | Re: Duplicating a file system |
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On 10 Mar 96 at 12:44, Drew Sullivan wrote:
> In message <Pine.LNX.3.91.960309093124.145A-100000@marvin.mars.org>, Bill Power > s writes: > > On Fri, 8 Mar 1996, Joel Young wrote: > > > > This will also work: Assuming the partitions are mounted as /From/Dir and > > /To/Dir: > > > > (cd /From/Dir ; tar cf - . ) | (cd /To/Dir ; tar xvfp - ) > > ***NEVER*** do this use this instead: > umask 0 # tar honours umask > (cd /From/Dir && tar clf - . ) | (cd /To/Dir && tar xpf - ) > ^^ ^^ > Note the double &&. If the cd fails then the tar doesn't run.
Usually I wouldn't reply, but why not (cd /From/Dir && tar clf - . ) | (umask 0 && cd /To/Dir && tar xpf - ) ?
Despite of that, doesn't tar ignore the umask when UID == 0?
> Otherwise you have the potential of mangling either the source tree > or the destination tree. > > -- > -- Drew Sullivan, <drew@ss.org> -- Toronto, Canada, +1-416-225-1592 > "Intel Inside" isn't advertising. It's a warning! > >
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