At 6:35 PM -0400 on 07/18/10, Thompson, Steve wrote about Re:
Detecting when a READ/GET crosses a concatenation bound:
Take a look at "Using Non-VSAM User-Written Exit Routines" with the
specifics of "Open/Close/EOV Standard User Label Exit".
One potential GOTCHA - The EOV exit will be driven not only when you
reach the end of a file and switch to the next file in the
concatenation but ALSO during a volume switch of a multi-volume
sequential dataset. Thus you need to check for this to avoid false
positives if all you care about is switching to a new dataset as
opposed to also being signaled about a new volume of the current
dataset.
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