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Article #1079

Re: Benefits of CPIO over TAR

#1079
From: std-unix
Date: Thu, 13 Aug 1987 18:31
24 lines
1786 bytes
From: gwyn@BRL-SMOKE.ARPA (Doug Gwyn )

In article <890@uunet.UU.NET> Jim R Oldroyd <mcvax!inset!jr@seismo.css.gov> writes:
>3.  Only one version of the `cpio -c' format is currently in use.

Ahem.  Cray changed theirs.  Admittedly that was very short-sighted!

>8.  Inode numbers are not recorded.  Symbolic values (derived from a 
>    file's inode and device numbers) are stored in the header
>    block.  These values are used solely for hard link resolution.

Unfortunately, on systems where the cpio fields for this information
are not big enough, one can find that the wrong links are planted
when files are de-archived.  This has actually happened to me.

I never did understand what inter-system archive interchange formats
had to do with specification of a portable environment for
applications.  You probably couldn't read my 1/4" tape cartridge no
matter what archive format I used on it.  This issue seems to be a
waste of time for 1003.1 and I recommend that it be delegated to
another subgroup, preferably 1003.2 which needs to specify the utility
to cope with such archives anyway.

Volume-Number: Volume 12, Number 13
Technical Details
Message-ID: <933@uunet.UU.NET>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!seismo!uunet!std-unix
References: <890@uunet.UU.NET>

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From: std-unix@uunet.UUCP
Newsgroups: comp.std.unix
Subject: Re: Benefits of CPIO over TAR
Message-ID: <933@uunet.UU.NET>
Date: Thu, 13-Aug-87 14:31:55 EDT
Article-I.D.: uunet.933
Posted: Thu Aug 13 14:31:55 1987
Date-Received: Sun, 16-Aug-87 09:42:27 EDT
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Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn@brl.arpa>)
Organization: Ballistic Research Lab (BRL), APG, MD.
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