RE: Day of the week

["Bob Cozzi" <cozzi@xxxxxxxxx>]

Glen,

In my presentations at RPG World, COMMON and in my RPG ToolKit for
OS/400 there is a procedure that using the OS/400 API to get the day of
the week.  Here is the source code for that procedure:
The input date may be any valid date data-type. If it is not a date
data-type, then simply move it into one first (any format) and then call
the GetDay procedure.

Bob Cozzi

.....D*ame+++++++++++EUDS.......Length+TDc.Functions++++++++++++++++++++
+++++++
     D GetDay          PR            10I 0
     D  InputDate                      D   CONST DATFMT(*ISO)

.....P*rocName+++++++..B...................Functions++++++++++++++++++++
+++++++
     P GetDay          B                   EXPORT
      ** Procedure interface for DayOfWeek function
.....D*ame+++++++++++EUDS.......Length+TDc.Functions++++++++++++++++++++
+++++++
     D DayOfWeek       PI            10I 0
     D  InputDate                      D   CONST DATFMT(*ISO)
     ** Base date is based on calendar changed date
     D BaseDate        S               D   INZ(D'1582-10-14')
     D nDayOfWeek      S             10I 0
     D nDays           S             10I 0
.....C*Rn01Factor1+++++++OpCode(ex)Factor2+++++++Result++++++++Len++DcHi
LoEq
     C                   TEST(E)                 InputDate
     C                   If        %ERROR
     C                   Return    -1
     C                   Endif
     C     InputDate     SubDur    BaseDate      nDays:*DAYS

     C                   CALLB     'CEEDYWK'
     C                   Parm                    nDays
     C                   Parm                    nDayofWeek

     C                   return    nDayOfWeek

     PGetDay           E



-----Original Message-----
From: rpg400-l-admin@midrange.com [mailto:rpg400-l-admin@midrange.com]
On Behalf Of Weeks, Glenn
Sent: Tuesday, December 10, 2002 4:27 PM
To: 'rpg400-l@midrange.com'
Subject: Day of the week


If I know the date, 20021215 for instance, is there an easy way to
determine the day of the week, (Monday, Tuesday, etc..). I cannot find
an example of this in any of the documentation that we have or any
online documentaion.

Any help would be appreciated.

Thanks,.

Glen Weeks
Ex. 7771


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