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LFC99
Beginner
Joined: 07 Dec 2005
Posts: 2
Topics: 1
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 Posted: Wed Dec 07, 2005 9:22 am Post subject: Day of Week Calculation |
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I found the code below on a previous posting which is exactly what i am looking for. However the WS-REMAINDER value isnt correct when I am testing.
| Code: | IDENTIFICATION DIVISION.
PROGRAM-ID. COBDAY
DATE-COMPILED.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 WS-COB-DATE PIC 9(08).
01 WS-COB-DATE-R REDEFINES WS-COB-DATE.
05 WS-COB-CC PIC 9(02).
05 WS-COB-YY PIC 9(02).
05 WS-COB-MM PIC 9(02).
05 WS-COB-DD PIC 9(02).
01 WS-INP-DATE.
05 WS-INP-DD PIC 9(02).
05 WS-INP-MM PIC 9(02).
05 WS-INP-YY PIC 9(02).
01 WS-DIVIDE-ANSWER PIC S9(08) COMP.
01 WS-INTEGER PIC S9(08) COMP.
01 WS-REMAINDER PIC S9(04) COMP.
01 WS-DAY-OF-WEEK PIC X(09).
PROCEDURE DIVISION.
MOVE 010504 TO WS-INP-DATE
IF WS-INP-YY < 50
MOVE 20 TO WS-COB-CC
ELSE
MOVE 19 TO WS-COB-CC
END-IF
MOVE WS-INP-DD TO WS-COB-YY
MOVE WS-INP-MM TO WS-COB-MM
MOVE WS-INP-YY TO WS-COB-DD
COMPUTE WS-INTEGER = FUNCTION
INTEGER-OF-DATE(WS-COB-DATE)
DIVIDE WS-INTEGER BY 7 GIVING WS-DIVIDE-ANSWER
REMAINDER WS-REMAINDER
ADD 1 TO WS-REMAINDER
EVALUATE WS-REMAINDER
WHEN 1
MOVE 'SUNDAY ' TO WS-DAY-OF-WEEK
WHEN 2
MOVE 'MONDAY ' TO WS-DAY-OF-WEEK
WHEN 3
MOVE 'TUESDAY ' TO WS-DAY-OF-WEEK
WHEN 4
MOVE 'WEDNESDAY' TO WS-DAY-OF-WEEK
WHEN 5
MOVE 'THURSDAY ' TO WS-DAY-OF-WEEK
WHEN 6
MOVE 'FRIDAY ' TO WS-DAY-OF-WEEK
WHEN 7
MOVE 'SATURDAY ' TO WS-DAY-OF-WEEK
END-EVALUATE
DISPLAY 'IT IS A ' WS-DAY-OF-WEEK ' ON ' WS-INP-DATE
GOBACK. |
So I changed the EVALUATE WS-REMAINDER to :
| Code: | EVALUATE WS-REMAINDER
WHEN 4
MOVE 'SUNDAY ' TO WS-DAY-OF-WEEK
WHEN 5
MOVE 'MONDAY ' TO WS-DAY-OF-WEEK
WHEN 6
MOVE 'TUESDAY ' TO WS-DAY-OF-WEEK
WHEN 7
MOVE 'WEDNESDAY' TO WS-DAY-OF-WEEK
WHEN 1
MOVE 'THURSDAY ' TO WS-DAY-OF-WEEK
WHEN 2
MOVE 'FRIDAY ' TO WS-DAY-OF-WEEK
WHEN 3
MOVE 'SATURDAY ' TO WS-DAY-OF-WEEK
END-EVALUATE. |
This way all my testing is correct but im confused.
Has anyone encountered this problem or does anyone have
an explanation.
Thanks
LFC99
P.S. I've just registered with this site today and have already found it a massive help....Thanx ! |
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Grant
Beginner
Joined: 02 Dec 2002
Posts: 45
Topics: 1
Location: Sydney, NSW, Australia
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| Posted: Thu Dec 08, 2005 1:23 am Post subject: |
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LFC99,
If you are using compiler option intdate(ansi) , then 01/01/1601 is the base date and "0" remainder represents Sunday
If you are using compiler option intdate(lilian), then 15/10/1582 is the base date and "0" remainder represents thursday
p.s You DO NOT need to specify the WHEN clause in ascending sequence |
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LFC99
Beginner
Joined: 07 Dec 2005
Posts: 2
Topics: 1
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| Posted: Thu Dec 08, 2005 3:47 am Post subject: |
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Fantastic !
Grant - thanks so much for your replies
Love the site !!! |
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Grant
Beginner
Joined: 02 Dec 2002
Posts: 45
Topics: 1
Location: Sydney, NSW, Australia
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| Posted: Thu Dec 08, 2005 10:19 pm Post subject: |
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LFC99,
You can also use the LE service CEEDYWK to determine the day number (or you can divide by 7 as you currently are).
| Code: |
Compute lilian-date = function integer-of-date(Input-date)
call 'ceedywk' using lilian-date day-number feedback-code
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