RE: Check for Invalid data

If the field actually supports NULL values, you can use

IF %NULLID(field) = *ON

to check to see if it is null.

If that's not it, then use:

IF  %Subst(field : 1 : 1) = X'00'



Bob Cozzi
cozzi@rpgiv.com
Visit the on-line  Midrange  Developer  forum at: http://www.rpgiv.com


> -----Original Message-----
> From: rpg400-l-admin@midrange.com [mailto:rpg400-l-admin@midrange.com]
On
> Behalf Of Mike.Windbeck@US.exel.com
> Sent: Thursday, January 03, 2002 4:01 PM
> To: rpg400-l@midrange.com
> Subject: Check for Invalid data
>
> I am doing an EVAL to put multiple fields into one variable.  Two of
the
> fields in the EVAL contained invalid data.   All of the  fields for
the
> EVAL are from a pf and they are defined as character data, but when I
look
> at the data I noticed that the values are NULL or hex 00.   My
question is
> how do I check for this invalid value before my EVAL?   I can not
change
> the pf because it is from package.
>
>
> Thank you,
>
> Mike Windbeck
>
>
>
>
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