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From source SRVPGMCPY:
...
D DayOfWeek PR 1S 0
D AnyDate D CONST DATFMT(*USA)
D DayNameL PR 9A
D AnyDate D CONST DATFMT(*USA)
D DayNameS PR 3A
D AnyDate D CONST DATFMT(*USA)
...
From source SRVPGM:
...
/DEFINE DSpec
/COPY ROUTINES/QRPGLESRC,SRVPGMCPY
/UNDEFINE DSpec
...
/eject
P DayOfWeek B EXPORT
***** DayOfWeek - Calculates day of week (Monday = 1, Tuesday = 2, etc
* - for any date.
* - Input: WorkDate (Date field in *USA format)
* - Result: WorkDay (Single digit numeric)
D PI 1S 0
D WorkDate D CONST
D AnySunday S D INZ(D'04/02/1995')
D WorkNum S 7 0
D WorkDay S 1S 0
C WorkDate SubDur AnySunday WorkNum:*D
C WorkNum Div 7 WorkNum
C MvR WorkDay
C If WorkDay < 1
C Return WorkDay + 7
C Else
C Return WorkDay
C EndIf
P DayOfWeek E
/eject
P DayNameL B EXPORT
D DayNameL PI 9A
D WorkDate D CONST
D DS
D DayData 42 Inz('Mon Tues Wednes+
D Thurs Fri Satur Sun ')
D DayArray 6 Overlay(DayData) Dim(7)
C Return %TrimR(DayArray(DayOfWeek(WorkDate))) +
C 'day'
P DayNameL E
/eject
P DayNameS B EXPORT
D DayNameS PI 3A
D WorkDate D CONST
D DS
D DayData 21 Inz('MonTueWedThuFriSatSun')
D DayArray 3 Overlay(DayData) Dim(7)
C Return %TrimR(DayArray(DayOfWeek(WorkDate)))
P DayNameS E
...
From our documentation manual (yes we document subprocedures):
DayOfWeek:
Calculates the day of the week as a single digit numeric.
Accepts: A type 'D' date field, any valid format
Returns: A single digit numeric. 1=Monday, 7=Sunday
Sample:
D Sample S D
D daynbr S 1S 0
C *usa move *date sample
C* If sample = '02-22-1999' then daynbr = 1
C Eval daynbr=DayOfWeek(sample)
DayNameL
Returns the name of the day of the week of any date in long format, like
'Monday'.
Accepts: A type 'D' date field, any valid format
Returns: A 9 character alphanumeric field.
Sample:
D Sample S D
D heading S 9A
C *usa move *date sample
C* If sample = '02-22-1999' then heading='Monday'
C Eval heading=DayNameL(sample)
DayNameS
Returns the name of the day of the week of any date in short format, like 'Mon'.
Accepts: A type 'D' date field, any valid format
Returns: A 3 character alphanumeric field.
Sample:
D Sample S D
D colhdg S 3A
C *usa move *date sample
C* If sample = '02-22-1999' then heading='Mon'
C Eval heading=DayNameS(sample)
wawrzaszeka@AUSTEEL.com on 04/19/2000 04:19:35 PM
Please respond to MIDRANGE-L@midrange.com@Internet
To: midrange-L@midrange.com@Internet
cc:
Fax to:
Subject: DAY OF WEEK
I seem to remember somewhere (in rpg ile ???) that you could determine what
day of the week it was? Can anyone help me out?
Thanks!
Angie Wawrzaszek
M.I.S. Department
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<BODY background=cid:020263916@19042000-05cd bgColor=#ffffff
style="BACKGROUND-COLOR: #ffffff; COLOR: #000000; FONT-FAMILY: ; FONT-SIZE:
14pt">
<DIV><FONT face=Arial size=4><SPAN class=020263916-19042000>I seem to remember
somewhere (in rpg ile ???) that you could determine what day of the week it
was? Can anyone help me out?</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=4><SPAN
class=020263916-19042000></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=4><SPAN
class=020263916-19042000>Thanks! </SPAN></FONT></DIV>
<P><FONT face="Comic Sans MS">Angie Wawrzaszek</FONT> <BR><FONT color=#800080
face="Comic Sans MS">M.I.S. Department</FONT> </P></BODY></HTML>
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