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On Dec 18, 2018, at 10:10 AM, Buzz Fenner <bfenner@xxxxxxxxxxxxxxxx> wrote:
All,
Pardon me if this sort of drags on; I figure when I get (or figure out) the answer to this it'll be a great teaching moment.
I have an RPGIV program that reads invoices and writes checks; a logic cycle program breaking on vendor number. Simple enough. It needed to be modified to produce a text file that our bank will use to prevent check fraud (we got hit recently).
I've used Scott Klement's wrappers (i.e. "RPG And the IFS") to read/write to the IFS and never had a problem - they're wonderful. I convert the source to ILE-RPG, get it into freeform, and remove the logic cycle processing. The code that executed on the vendor break I put into a local subprocedure.
However, after executing the program, the text file on the IFS had only one record in it, which corresponded to the last vendor in the input file. I put it into debug to prove the write statement in the procedure executed for each vendor break. Spent days trying to figure it out to no avail. In an act of desperation, I tested putting the code into a subroutine and moved the local declarations back into the main procedure. It worked like a charm; all records were written. It was as if when the code was in a subprocedure, all the writes were stomping on the data that was already there with the next write to the text file overwriting what was written previously.
So, what's the explanation for the difference?
--
Buzz Fenner, Analyst/Systems Administrator
+1 (870) 930.3374 bfenner@xxxxxxxxxxxxxxxx<mailto:bfenner@xxxxxxxxxxxxxxxx>
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