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It's using a date fields. IBM does the checking for us.



From:
Don <dr2@xxxxxxxx>
To:
"'RPG programming on the IBM i / System i'" <rpg400-l@xxxxxxxxxxxx>
Date:
10/06/2009 10:57 AM
Subject:
RE: Calculate the 20th of next month
Sent by:
<rpg400-l-bounces@xxxxxxxxxxxx>



Make sure you check for month = 13 as well... :)



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Booth Martin
Sent: Tuesday, October 06, 2009 11:17 AM
To: RPG programming on the IBM i / System i
Subject: Re: Calculate the 20th of next month

Why not:

myDate = %date() + %months(1)
%day(myDate) = 20

or

myDate = %date() + %months(1)
myDate = %subdt(20: *days)

? Is that the same thing?


Charles Wilt wrote:
Birgitta,

You need to refer back to Rob's post.

He throwing out the idea of a DCR to allow %Month(), %Day() to be on
the right hand side.

Basically a "set the xxxx of this date to yyyyy"

%day('2009-10-06') = 20; would result in '2009-10-20'

I'm not sure I like the proposed solution, but I do like the idea. It
always seemed silly to have to jump through hoops in RPG to transform
some date to some other explicitly defined date (first of next month,
last day of next month, the 20th, the 15th ect.)

On the other hand, that's why we have service programs right? Not
sure I want Barbara spending time on this one :)

-Charles



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