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Reply-To: "Greg Quinlan" <gquinlan@qmpgmc.ac.uk>
From: "Greg Quinlan" <gquinlan@qmpgmc.ac.uk>
To: "John Polstra" <jdp@polstra.com>
Cc: <bugs@FreeBSD.ORG>
Subject: Re: CPIO -i (into oblivion your archive)
Date: Fri, 7 Aug 1998 08:57:34 +0100
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-----Original Message-----
From: John Polstra <jdp@polstra.com>
To: gquinlan@qmpgmc.ac.uk <gquinlan@qmpgmc.ac.uk>
Cc: bugs@freebsd.org <bugs@freebsd.org>
Date: 06 August 1998 22:48
Subject: Re: CPIO -i (into oblivion your archive)
>In article <01bdc140$784509a0$380051c2@greg.qmpgmc.ac.uk>,
>Greg Quinlan <gquinlan@qmpgmc.ac.uk> wrote:
>> The original archive was created using the command:
>> find . -print | cpio -ovBO NEW -HNEWC
>>
>> analising the command;
>> 1. find . -print
>> obtains a list of files in the current directory (NEW should
not
>> exist yet)
>
>Not true. The find command and the cpio command run simultaneously,
>not in sequence left to right. Cpio easily could have created NEW
>before find had finished (or even started) scanning the current
>working directory. And that's what it did, in this case.
>
>> 2. cpio -ovBO NEW -HNEWC
>> create a cpio archive, verbose, large block, output to file
NEW
>> using SYSV format (which does not truncate inodes for large
file
>> systems)
>>
>> It is a very good possibility.... that some how before the archive was
>> created that the file NEW existed in the current directory, but
>> alphabetically NEW would be at the end of the archive,
>
>The find command does not work alphabetically.
>
>Also, unrelated to this problem: it is best to use "find -d" as
>recommended in the cpio manual page.
Are you talking about this original command!
# cpio -idumBI NEW
Or the non existent -d option in the cpio -i command!
:)
>--
> John Polstra jdp@polstra.com
> John D. Polstra & Co., Inc. Seattle, Washington USA
> "Self-knowledge is always bad news." -- John Barth
>
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