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Well since I was sort of rude, here's the routine from RPG xTools:
D GetModulus10Ex PI 10I 0
*******************************************************
** (c) Copyright 2004 - Robert Cozzi, Jr.
** All rights reserved.
** Part of the RPG xTools *SRVPGM
******************************************************
D nInput 30P 0 Const
D bHasCheckDigit...
D 1N Const OPTIONS(*NOPASS)
D nCheckDigit S 5I 0 Inz(0)
D Number DS
D nZoned 30S 0 Inz
D zDigit 1S 0 Dim(%size(nZoned)) Overlay(nZoned)
D Filler Like(nZoned)
D Odd_DS DS Inz
D nOdd 2S 0 Dim(%size(nZoned))
D p_DS S * Inz(%addr(Odd_DS))
D AllAll_DS DS Based(p_DS)
D nAllOdd1 1S 0 Dim(%size(nZoned))
D nAllOdd2 1S 0 Dim(%size(nZoned))
D i S 5I 0
D bOdd S 1N Inz(*ON)
D nCheckSum S 10I 0
D nEvenSum S 10I 0
D nOddSum S 10I 0
D nOddSum1 S 10I 0
D nOddSum2 S 10I 0
D nStart S 10I 0
D nShift S 10I 0
C eval nZoned = nInput
C if %Parms >= 2 and
C bHasCheckDigit = *ON
C eval nShift = 1
C else
C eval nShift = 0
C endif
C eval nStart = %Len(nZoned) - %Len(%Char(nZoned))
C eval nStart = nStart + 1
C for i = (%Len(nZoned) - nShift) DOWNTO nStart
C if bOdd
C eval nOdd(i) = zDigit(i) * 2
C else
C eval nEvenSum = nEvenSum + zDigit(i)
C endif
C eval bOdd = NOT (bOdd)
C endfor
C xfoot nAllOdd1 nOddSum1
C xfoot nAllOdd2 nOddSum2
C eval nCheckSum= nOddSum1 + nOddSum2 + nEvenSum
C dow %REM(nCheckSum+nCheckDigit:10)<> 0
C eval nCheckDigit = nCheckDigit + 1
C enddo
** Check Digit 10 needs no translation in Modulus10;
** but for ISBN it needs to be replaced with an "X".
C return nCheckDigit
P GetModulus10Ex E
-Bob Cozzi
www.RPGxTools.com
RPG xTools - Enjoy programming again.
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On
Behalf Of Alan Shore
Sent: Wednesday, April 12, 2006 3:29 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Mod 10 check digit calculation
Unfortunately - we don't have the RPG xTools. Hence my cry for help
Alan
"Bob Cozzi"
<cozzi@xxxxxxxxx>
Sent by: To
rpg400-l-bounces@ "'RPG programming on the AS400 /
midrange.com iSeries'" <rpg400-l@xxxxxxxxxxxx>
cc
04/12/2006 04:06 Subject
PM RE: Mod 10 check digit calculation
Please respond to
RPG programming
on the AS400 /
iSeries
<rpg400-l@midrang
e.com>
Alan,
RPG xTools has the modulus calculations in it and it is being used to
everything
including 400 million books' UPC/GTIN validation.
-Bob Cozzi
www.RPGxTools.com
RPG xTools - Enjoy programming again.
-----Original Message-----
From: rpg400-l-bounces+cozzi=rpgiv.com@xxxxxxxxxxxx
[mailto:rpg400-l-bounces+cozzi=rpgiv.com@xxxxxxxxxxxx] On Behalf Of Alan
Shore
Sent: Wednesday, April 12, 2006 1:40 PM
To: RPG programming on the AS400 / iSeries
Subject: Mod 10 check digit calculation
Hi gang,
does anyone have a program/sub-routine/mod etc. to calculate the mod 10
check-digit for a numbers with varying sizes.
I know the procedure for what is required in calculating the answer, but
right now I'm up to my neck with everything else.
It would be MUCH appreciated if someone could post whatever code they have.
Thanks in advance
Alan Shore
NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
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