In <4e3a4e7e.5090...@bcs.org.uk>, on 08/04/2011
at 08:47 AM, CM Poncelet <ponce...@bcs.org.uk> said:
>I proved that, if "On input, the order of override priority is
>program DCB -> JCL DCB -> dataset attributes", then the consequence
>is an I/O error
Not only did you not prove that, but others gave examples of such
overrides having practical value.
>the hypothesis that the priority order both on
>output and on input is the same
Not an hypothesis - an observed fact.
>because there is no I/O error on output,
False.
>It is not 'my' prejudice, but what one of the greatest MVS sysprogs
>I've ever known (he too had 30+ years experience, then) taught me
>when I started as a sysprog on IBM mainframes in '85
I wonder why I don't believe you?
>The documentation does not necessarily match the facts
The code does.
>and the I/O error is a fact..
An irrelevant fact, and not what you seem to believe at that. An
inappropriate override can cause an I/O error for *both* input and
output, and an appropriate override will not cause an I/O error for
either.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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