"IBM Mainframe Assembler List" <[email protected]> wrote on
03/10/2022 02:04:21 PM:
> At least for z/OS it's documented. I can't speak for z/VSE.
Well, I had spent three hours reading the manual up one side and
down the other, that I have, and hadn't found that piece of information.
After seeing your response, above, I went reading again. This time I
found just a single sentence at the very end of the description for the
ARG operand.
"When records are sequentially inserted into, or retrieved from, a
relative-record file, VSE/VSAM returns the assigned relative-record number
in the ARG field (as a four-byte binary number)."
It is awful easy to miss that phrase "and retrieved from." So,
since it specifically calls out relative record files and relative record
numbers, does that mean VSAM does NOT also return key values to the
argument buffer when sequentially reading a key-sequence file? Yes, I
know it is available in the record itself and I can experiment to find out
if it is also at the ARG location. ;-)
Sincerely,
Dave Clark
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