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Article #25

Re: Help on cpio: how to read backup tapes with cpio command?

#25
From: Paul Jackson
Date: Wed, 16 Dec 1992 21:59
29 lines
1617 bytes
In article <1992Dec16.192634.19294@lambda.msfc.nasa.gov>, mahmood@lambda.msfc.nasa.gov (Rafique Mahmood) writes:
|> I need to write a program which will make a listing of the
|> backup tapes. I tried 'cpio -tBi /dev/nrst1', it did not work.

If you look at the man page for cpio carefully (do "man cpio") you
will see:

    cpio -i[BbcdmrtuvVfsSb6k] [-C bufsize] [[-I file] [-M message]] [pattern ...]

and a bit later:

    cpio -i (copy in) extracts files from the standard input

Observe that the archive or tape device is _not_ listed amongst
the expected arguments of "cpio -i", and that it expects input
instead from standard input.  This means that the following might
work better for you:

    cpio -tBi < /dev/nrst1

There may have been other questions in your posting, but I could
not quite understand what you were asking, so my apologies for not
answering what else you might be asking.

-- 

				I won't rest till it's the best ...
				Software Production Engineer
				Paul Jackson (pj@sgi.com), x1373
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From: pj@sam.wpd.sgi.com (Paul Jackson)
Newsgroups: comp.sys.sgi.admin,comp.sys.sun.admin
Subject: Re: Help on cpio: how to read backup tapes with cpio command?
Date: 16 Dec 1992 21:59:37 GMT
Organization: Silicon Graphics, Research & Development
Lines: 29
Distribution: world
Message-ID: <1go8s9INN4pa@fido.asd.sgi.com>
References: <1992Dec16.192634.19294@lambda.msfc.nasa.gov>
Reply-To: pj@sgi.com
NNTP-Posting-Host: sam.wpd.sgi.com
Keywords: cpio help