I have seen this issue explained before but I do not know how to describe it better than giving you an example about it.
I have 60 fields on a single screen. All of the fields start with the prefix "MEMBER" and they have a numeric suffix between 01 and 60. I want to use a DOFOR to check all of them and turn on a flag whenever I find one of these fields with some content in it. I would like to do something like this:
DCL VAR(&COUNTER) TYPE(*INT) LEN(2)
DCL VAR(&CNTR) TYPE(*CHAR) LEN(2)
DCL VAR(&MEMBER) TYPE(*CHAR) STG(*AUTO) LEN(10)
DCL VAR(&MEMBER_FLG) TYPE(*LGL) STG(*AUTO) LEN(1)
CHGVAR VAR(&MEMBER_FLG) VALUE('0')
DOFOR VAR(&COUNTER) FROM(1) TO(60) BY(1)
CHGVAR VAR(&CNTR) VALUE(&COUNTER)
CHGVAR VAR(&MEMBER) VALUE('MEMBER' || &CNTR)
IF COND(&MEMBER *NE ' ') THEN(DO)
CHGVAR VAR(&MEMBER_FLG) VALUE('1')
Obviously this will not work, but is the idea of what I am trying to accomplish. Same thing if I have 60 indicators (from 01 to 60) on this display and I would like to turn them all off without doing:
CHGVAR VAR(&IN01) VALUE('0')
CHGVAR VAR(&IN02) VALUE('0')
CHGVAR VAR(&IN03) VALUE('0')
Etc., etc., etc. ...
Thank you for your advices in advance!
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