W dniu 2011-07-13 14:52, McKown, John pisze:
I'd likely use JES exit 2 to insert
// SET DATE=...
// SET TIME=...
and so on into the JCL stream immediately after the JOB card.
And I like Job Scheduler Utilities for such purposes. For example
ControlM has %%variables, with strong support for date, time, day of
week, days since, etc. but not only. And you can do some simple
calculations, string operations, IF, CASE operators, etc. etc.
That makes any homegrown tricks much much less sexy.
I believe that competition products have similar faicilities.
I believe this is main reason why JCL haven't been enhanced to have such
facilities. BIG customers - those which IBM listen to - already have
such facilities (in Job Scheduler) and have no reason to push IBM.
I also think the above is also reason for uchanged limit for GDG - 255.
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