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From: conliffe@caen.engin.umich.edu (Darryl C. Conliffe)
Newsgroups: comp.sys.apollo
Subject: Re: Apollo won't release rbak/wbak format.  grrr.
Summary: Try this
Message-ID: <460bf837.14df5@ulsoy.engin.umich.edu>
Date: 5 Oct 89 04:00 GMT
References: <26979@iuvax.cs.indiana.edu> <46080999.14df5@ulsoy.engin.umich.edu> <27200@iuvax.cs.indiana.edu>
Organization: U of M Engineering, Ann Arbor, Mich.
Lines: 23

In article <27200@iuvax.cs.indiana.edu>, sahayman@iuvax.cs.indiana.edu (Steve Hayman) writes:
> >Is knowledge of the internal format necessary?  Why
> >not index the tape for a TOC?  How do you gen
> >the tape in the first place?
> 
> Our Exabyte tape drive is attached to a Sun.
> Right now I'm doing 
> 	
> 	wbak -stdout ... | rsh sun-with-exabyte-drive dd of=/the/tape
> 
> You can't do
> 
> 	wbak -l -stdout ... | rsh sun ...
> 
> because the list-of-files-saved is written to stdout,
> and vanishes down the pipe getting mixed in with the wbak stuff.
> 

Try this approach:
wbak <target> -to <wbak.result> -l > <wbak.result.index>

Then copy the <wbak.result> to be tar'ed, and you also
have the artifact of the index in <wbak.result.index>