GNU tar

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Article #1274

#1274

From: David Boyle
Date: Thu, 07 Jan 1993 18:18

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Using GNU tar version 1.10 on a DECstation/Ultrix machine, tar +help
claims that -c will "create a new archive".  However, if I write the same
archive twice (to tape), the second time goes much faster, as if tar was
checking the existing archive against what is being written an only updating
rather than creating the archive from scratch.  This behavior is what I
would expect from the -u flag, not -the -c flag.  

Is what I described actually happening or am I out to lunch?  If I'm
right, how can I force the archive to be created from scratch?

--
David Boyle                            ...uunet!gca!boyle  or  boyle@gca.com
GCA, a unit of General Signal          (508) 837-3869
Andover, MA  01810

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Message-ID: <1993Jan7.181814.9565@gca.com>

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Newsgroups: gnu.utils.bug
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!gca.COM!boyle
From: boyle@gca.COM (David Boyle)
Subject: GNU tar
Message-ID: <1993Jan7.181814.9565@gca.com>
Keywords: GNU tar
Sender: gnulists@ai.mit.edu
Organization: GCA Corporation
Distribution: gnu
Date: Thu, 7 Jan 1993 18:18:14 GMT
Approved: bug-gnu-utils@prep.ai.mit.edu
Lines: 15