In a recent note, Ted MacNEIL said:
> Date: Thu, 3 Aug 2006 23:39:28 +0000
>
> >Nested JCL procs can be quite useful
>
> I started this job as a JCL jockey in 1981.
> When did nested PROCs become available?
> The last time I tried, I got a JCL error.
>
They're described in:
Title: MVS/ESA SP V5 JCL Reference
Document Number: GC28-1479-00
Build Date: 04/22/94 19:09:39 Build Version: 1.2
... as far back as I can search in publibz. Almost half your
career, at least.
But back before then, my JCL mentor told me, also, that
PROCs couldn't be nested, and that it was unlikely to
happen because there'd be no way to implement referbacks
to statements in nested PROCs. He underestimated IBM's
resourcefulness.
-- gil
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