RE: DOUEQ - Loop (RPG III)

[ Converted text/html to text/plain ]

Dear Scott,



The logic exits the routine only after both files have reached their EOF.
Regards,

Hrishikesh Kotwal

>From: Scott Mildenberger
>Reply-To: rpg400-l@midrange.com
>To: "'rpg400-l@midrange.com'"
>Subject: RE: DOUEQ - Loop (RPG III)
>Date: Wed, 14 Nov 2001 07:20:24 -0700
>
>That code will exit the loop when either file reaches end of file because of
>the OREQ.
>
>
> > -----Original Message-----
> > From: hrishikesh kotwal [mailto:hdkotwal@hotmail.com]
> > Sent: Wednesday, November 14, 2001 7:18 AM
> > To: rpg400-l@midrange.com
> > Subject: RE: DOUEQ - Loop (RPG III)
> >
> >
> > [ Converted text/html to text/plain ]
> >
> > Thanks all.
> >
> > My requirement was to read both files till both reach their
> > EOF. The 2 files
> > may differ in the no. of records. Therefore I have succeeded in using
> >
> > *IN97 DOWEQ *OFF
> >
> > *IN96 OREQ *OFF
> >
> > |
> >
> > |
> >
> > ENDDO
> >
> > The results are as expected.
> > Regards,
> >
> > Hrishikesh Kotwal
> >
> > >From: "Bob Cozzi \(RPGIV\)"
> > >Reply-To: rpg400-l@midrange.com
> > >To:
> > >Subject: RE: DOUEQ - Loop (RPG III)
> > >Date: Wed, 14 Nov 2001 07:07:08 -0600
> > >
> > >Sorry to say this, but the coding techniques needs a lot of
> > >reconsideration. I would have the think for a long time to
> > make the loop
> > >any more complex when it doesn't have to be.
> > >
> > >This looks like a traditional "position the file and enter a loop,
> > >process the rest of the file" routine. All those other IFEQ
> > in that loop
> > >are out of place.
> > >
> > >Basically, in this kind of routine you do this:
> > >
> > > Position the file (your CHAIN operations
> > > Enter the DOxx loop. Usually on a Record Found condition,
> > so something
> > >like:
> > > *IN96 DOWEQ *OFF
> > > *IN97 ANDEQ *OFF
> > >
> > >But that depends on whether you want the routine to end when EITHER
> > >files hits the end-of-equal-key (EOF) condition.
> > >
> > >The next thing is usually to put your processing (code) in
> > the start/top
> > >of the DOxx loop. Then at the bottom, do your READE
> > operations with the
> > >96 & 97 indicators. No more testing is needed because the DOWEQ
> > >condition test the status once each iteration. The only
> > really logical
> > >difference between a DOWxx and a DOUxx is that the
> > conditional test for
> > >DOWxx is performed at the top of the loop, and DOUxx is
> > performed at the
> > >logical bottom of the loop. Hence DOUxx loops are _always_
> > run at least
> > >one time.
> > >
> > >
> > >Bob Cozzi
> > >cozzi@rpgiv.com
> > >Visit the new on-line iSeries Forums at: http://www.rpgiv.com/forum
> > >
> > > > -----Original Message-----
> > > > From: rpg400-l-admin@midrange.com
> > [mailto:rpg400-l-admin@midrange.com]
> > >On
> > > > Behalf Of darren@dekko.com
> > > > Sent: Tuesday, November 13, 2001 12:59 PM
> > > > To: rpg400-l@midrange.com
> > > > Subject: RE: DOUEQ - Loop (RPG III)
> > > >
> > > >
> > > > hrishikesh,
> > > >
> > > > Jim L. is correct. Either change the test to *ON or use
> > DOWEQ. There
> > >are
> > > > some other logic errors in this program. Here's a hint, make sure
> > >*IN97 is
> > > > set everywhere it should be, and is Overflow going to
> > work the way its
> > > > intended?
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > rpg400-l-request@mi
> > > > drange.com To:
> > >rpg400-l@midrange.com
> > > > Sent by: cc:
> > > > rpg400-l-admin@midr Fax to:
> > > > ange.com Subject: RPG400-L
> > >digest,
> > > > Vol 1 #199 - 3 msgs
> > > >
> > > >
> > > > 11/13/2001 01:01 PM
> > > > Please respond to
> > > > rpg400-l
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > From: Jim Langston
> > > > To: "'rpg400-l@midrange.com'"
> > > > Subject: RE: DOUEQ - Loop (RPG III)
> > > > Date: Tue, 13 Nov 2001 09:43:34 -0800
> > > > Reply-To: rpg400-l@midrange.com
> > > >
> > > >
> > > > "I checked this in Debug and found that even if
> > > > *IN97 & *IN96 are *OFF the loop ends?!!!"
> > > >
> > > >
> > > > Umm.. that's what you're telling it to do.
> > > >
> > > > 30600 C *IN97 DOUEQ*OFF
> > > > 30700 C *IN96 ANDEQ*OFF
> > > >
> > > > Do until both *IN97 and *IN96 are off.
> > > >
> > > > -----Original Message-----
> > > > From: hrishikesh kotwal [mailto:hdkotwal@hotmail.com]
> > > > Sent: Tuesday, November 13, 2001 9:34 AM
> > > > To: rpg400-l@midrange.com
> > > > Subject: DOUEQ - Loop (RPG III)
> > > >
> > > >
> > > > [ Converted text/html to text/plain ]
> > > >
> > > > Dear all,
> > > >
> > > >
> > > >
> > > > With reference to one of my earlier mails regarding Line
> > Count, I had
> > > > received
> > > > a solution to match records and print them. In that solution DOUEQ
> > >loop was
> > > > used. I have used this in my program and it has
> > successfully printed
> > >most
> > > > of
> > > > the records. But today I noticed a bug in my loop.
> > Following is the
> > >loop:
> > > >
> > > > 21800
> > **------------------------------------------------------------
> > > >
> > > > 28600 C DTL020 BEGSR
> > > >
> > > > 29300 C SETOF 97
> > > >
> > > > 29400 C DDCINB CHAINCMBF4CL1 97
> > > >
> > > > 29500 C SETOF 96
> > > >
> > > > 29600 C DDCINB CHAINCMBF4D 96
> > > >
> > > > 30600 C *IN97 DOUEQ*OFF
> > > >
> > > > 30700 C *IN96 ANDEQ*OFF
> > > >
> > > > 30900 C *IN97 IFEQ *ON
> > > >
> > > > 31000 C *IN96 ANDEQ*ON
> > > >
> > > > 31100 C LEAVE
> > > >
> > > > 31200 C ENDIF
> > > >
> > > > 36800 C EXCPTPRTDT4
> > > >
> > > > 37000 C OA EXCPTPRTHDG
> > > >
> > > > 37200 C OA SETON OA
> > > >
> > > > 37800 C *IN97 IFEQ *OFF
> > > >
> > > > 37900 C DDCINB READECMBF4CL1
> > > >
> > > > 38000 C ENDIF
> > > >
> > > > 38200 C *IN96 IFEQ *OFF
> > > >
> > > > 38300 C DDCINB READECMBF4D 96
> > > >
> > > > 38800 C ENDIF
> > > >
> > > > 39000 C *IN97 IFEQ *ON
> > > >
> > > > 39100 C *IN96 ANDEQ*ON
> > > >
> > > > 39300 C EXCPTPRTDT5
> > > >
> > > > 39500 C ENDIF
> > > >
> > > > 39700 C ENDDO
> > > >
> > > > 39800 C*
> > > >
> > > > 39900 C ENDSR
> > > >
> > > > ------------------------------------------------------------------
> > > >
> > > > I read files CMBF2CL1 & CMBF2D together for a common DDCINB (Item
> > >Number).
> > > > Both files may have none or multiple records for DDCINB. I want to
> > >print
> > > > whatever records exist in both files for DDCINB.
> > Therefore I am trying
> > >to
> > > > use
> > > > the Match Record Processing logic BUT My problem is that
> > when CMBF2CL1
> > >&
> > > > CMBF2D have more than one record for the same DDCINB the
> > loop fails. I
> > > > checked
> > > > this in Debug and found that even if *IN97 & *IN96 are
> > *OFF the loop
> > > > ends?!!!
> > > > How is this possible? Is there something wrong in this loop.
> > > >
> > > >
> > > >
> > > > Please help.
> > > >
> > > >
> > > >
> > > > Regards,
> > > >
> > > > Hrishikesh Kotwal
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
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> > >
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