RE: read on a do loop

Rob,

I don't usually use DOU but IIRC the ITER should take you to the DOU and 
execute the read in your %STATUS BIF.  If it's not executing it why not move 
the read out of the BIF onto the line immediately under the DOU?  It would be 
the first statement executed after the ITER and accomplish the same thing.

Rick

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of rob@xxxxxxxxx
Sent: Friday, August 19, 2005 8:41 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: read on a do loop


Since I've developed a fondness for iter I'd like to do something like
...
setll(e) MyFile Mykey;
dou %status(reade(e) MyFile MyKey)<>0;
  // process
  ...
  iter;
  else;
  ...
EndDo;

I take it the way to do this is to make a one statement subprocedure that
does the reade and make the code look like

setll(e) MyFile Mykey;
dou ReadLoopProc<>0;
  // process
  ...
  iter;
  else;
  ...
EndDo;

P ReadLoopProc   b
D ReadLoopProc   PI   like(returnvar)
D  returnvar      s            5i 0
/free
 reade(e) MyFile MyKey;
 returnvar=%status(MyFile);
 return returnvar;
/end-free
P ReadLoopProc  E


Rob Berendt
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