RE: Standards question: What is your feeling about %found &%eofvs. %found(file) & %eof(file) ?

Because she's creating an infinite loop... she wants the loop to occur
until the "if %eof leave" statement occurs. The way you stated, the loop
will occur only once and leave, doesn't matter if eof occurred or not.


Michael Schutte
Admin Professional
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rpg400-l-bounces@xxxxxxxxxxxx wrote on 07/02/2008 02:56:15 PM:

Sharon,

Just wondering why you selected DOW 1=1 for your dummy loop. I
(almost) always use DOU 1=1, as this loop won't try to run more than
once. The only purpose of the do loop is to register an enddo, to
serve as the exit point...

Typically, though, I use

setll f1
reade f1
dow not eof(f1)
<do stuff>
setll f2
reade f2
dow not eof(f2)
<do stuff>
reade f2
enddo
reade f1
enddo

thx,
Eric DeLong

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Wintermute, Sharon
Sent: Wednesday, July 02, 2008 12:06 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Standards question: What is your feeling about %found
&%eofvs. %found(file) & %eof(file) ?



Michael,

We get around this like so:

setll somekey myfile;
dow 1 = 1;
read myfile;
if %eof();
Leave;
endif;
setll somekey2 myfile2;
dow 1 = 1;
read myfile2;
if %eof();
leave;
endif;
enddo;
enddo;


Since the Leaves are immediately after the reads it makes it clear the
only way out of the loop is through the leave.

Sharon



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
Michael_Schutte@xxxxxxxxxxxx
Sent: Wednesday, July 02, 2008 11:34 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: Standards question: What is your feeling about %found &
%eofvs. %found(file) & %eof(file) ?

I always use the qualified so that there's no confusion, if it's not
needed.

But I can see a problem occurring if the following...

setll somekey myfile;
dow not %EoF();
read myfile;
if %eof();
Leave;
endif;
setll somekey2 myfile2;
dow not %eof();
read myfile2;
if %eof();
leave;
endif;
enddo;
enddo;

The read of myfile2 will shortcurcuit the read of myfile.



Michael Schutte
Admin Professional
Bob Evans Bob-B-Q: You haven't had barbeque until you've had Bob Evans
Bob-B-Q. Try our six Bob-B-Q dishes, starting at $5.99. For more
information, visit www.BobEvans.com.


rpg400-l-bounces@xxxxxxxxxxxx wrote on 07/02/2008 12:18:33 PM:

Standards question: What is your feeling about %found & %eof vs.
%found(file) & %eof(file) ?

We have been having a discussion about the pros & cons of these two
choices.

It would be interesting to read the thoughts of the stars and
almost-stars on this topic?

--
---------------------------------
Booth Martin
http://www.Martinvt.com
---------------------------------

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