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Returned mail follows:
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Received: From PSUVM(MAILER) by DICKINSN with Jnet id 1547
          for LEYON_C at DICKINSN; Fri, 20 Oct 89 22:29 EDT
Received: by PSUVM (Mailer R2.03B) id 6925; Fri, 20 Oct 89 22:32:20 EDT
Date:         Fri, 20 Oct 89 21:36:32 EDT
Reply-To:     Unix-Wizards at BRL.ARPA
Sender:       Unix-Wizards Mailing List <UNIX-WIZ at NDSUVM1>
From:         Mike Muuss <mike at BRL.MIL>
Subject:      Re:  IBM, HONEYWELL OCTAL CODES TO UNIX PROBLEM
X-To:         "Charles F. Ashley" <LOGSAMS at a.isi.edu>
X-cc:         unix-wizards-request at sem.brl.mil, logsams at a.isi.edu,
              unix-wizards at BRL.MIL
To:           Chris Leyon <LEYON_C at DICKINSN.BITNET>

There are several aspects to your problem:

1)  You should have your mainframe system write "export tapes" in a
fixed-blocked (RECFM=FB) or unblocked (RECFM=U) format;  using
variable-blocked or variable-blocked-spanned records for "export" to
another system makes for lots of extra trouble.

2)  Often, the easiest way to process foreign tapes on a UNIX system
is to read them onto disk, using the "DD" program, and the **raw**
tape drive interface (often called /dev/rmt0).  You can be certain
that the tape drive interface is RAW if the first character output
by "ls -l" is the letter "c", (eg, "crw-rw-rw- ...").
Once you have the data on disk, usually a small "C" program can
unravel things.  That kind of data handling in COBOL or FORTRAN
will be very painful, compared to using C or PASCAL.

If you need more help, contact your local Information Systems Command
(ISC) detatchment;  ISC is busy doing to the Army's computer systems
what they did to the Army's telephones.

        Best,
         -Mike