Re: How to detect which fields generate error MCH1202

Alan,

You are right, of course. Nevertheless, I don't know how he is updating his
numeric fields. A common error in some old programs around here was to have
a DS with overlapping character and numeric fields. The programmer moved the
character field to, say, DS_C and wrote DS_N to the file. Amazingly, we had
several "veteran" RPG programmers who had never heard of TESTN... :-(

Regards,

Luis Rodriguez
IBM Certified Systems Expert — eServer i5 iSeries


On Wed, May 12, 2010 at 1:48 PM, Alan Shore <AlanShore@xxxxxxxx> wrote:

Sorry Luis
TESTN will only work on a character field. It will not work on a numeric
field.
See the IBM reference manual at

http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=/books/c092508602.htm


However, I do agree with using a MONITOR group



Alan Shore
Programmer/Analyst, Direct Response
E:AShore@xxxxxxxx
P:(631) 200-5019
C:(631) 880-8640
"If you're going through Hell, keep going" - Winston Churchill



Luis Rodriguez
<luisro58@xxxxxxx
om> To
Sent by: "RPG programming on the IBM i /
rpg400-l-bounces@ System i" <rpg400-l@xxxxxxxxxxxx>
midrange.com cc

Subject
05/12/2010 02:10 Re: How to detect which fields
PM generate error MCH1202


Please respond to
RPG programming
on the IBM i /
System i
<rpg400-l@midrang
e.com>






Either use the TESTN opcode or enclose your code within a MONITOR group...


HTH,
Luis Rodriguez
IBM Certified Systems Expert — eServer i5 iSeries


On Wed, May 12, 2010 at 12:30 PM, Le, Chanh
<chanh.le@xxxxxxxxxxxxxxxxx>wrote:

RPG program sends a message MCH1202 for each bad numeric field. How can
we catch these fields name?

Thanks,
CL

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