RE: how to validate date in cobol400 -- COBOL400-L

Hello Wilson,

Please find a procedure in the attached word document.
We use this common procedure to validate any type of dates in our
application.

All we do is move the screen filed/database file field (namely,date field)
to a temporary variable WS-T-VALIDATION DATE (of type and length 8S0).

This variable WS-T-VALIDATION-DATE should be sent in the format DDMMYYYY.
(Hint: Use some temporary numeric data structures and pass the date to be
validated in DDMMYYYY format.)

The rest of the processing will be taken care of by the procedure. Take care
to declare the following variables in the working storage section:

01  WS-T-VALIDATE-DATE.                                   
    05  WS-T-VALIDATE-YEAR                PIC 9(4).       
    05  WS-T-VALIDATE-MONTH               PIC 9(2).       
    05  WS-T-VALIDATE-DAY                 PIC 9(2).       
                                                          
01  WS-T-VALIDATE-DATE-II.                              
    05  WS-T-VALIDATE-DAY-II              PIC 9(2).     
    05  WS-T-VALIDATE-MONTH-II            PIC 9(2).     
    05  WS-T-VALIDATE-YEAR-II             PIC 9(4).     
                                                        
01  WS-T-VALIDATION-YEAR.                               
    05  WS-T-VALID-MONTH-DAY              PIC 9(6).     
    05  WS-T-VALID-SHRT-YER               PIC 9(2).     
    05  WS-T-VALID-SHRT-YER               PIC 9(2).   
                                                      
01  WS-T-VALID-CENT.                                  
    05  WS-T-VALID-CENT-MTH-DAY           PIC 9(4).   
    05  WS-T-VALID-CENT-CENT              PIC 9(2).   
    05  WS-T-VALID-CENT-YEAR              PIC 9(2).   
                                                      
01  WS-T-SYSTEM-DATE                      PIC 9(6).   
01  WS-T-VALIDATION-DATE                  PIC 9(8).          
01  WS-T-QUOTIENT                         PIC 9(3)    COMP-3.
01  WS-T-REMAINDER                        PIC 9(1)    COMP-3.


We have a flag WS-T-VALIDATION-ERROR-FLAG to track any errors down the line.
Initialize this flag to blanks.

Invoke the routine in the attachment.

If there is error, WS-T-VALIDATION-ERROR-FLAG will be set on.

Hope this helps you...

Regards,

-----Original Message-----
From: cobol400-l-bounces@xxxxxxxxxxxx
[mailto:cobol400-l-bounces@xxxxxxxxxxxx] 
Sent: Friday, April 08, 2005 4:37 PM
To: Cobol400-L@Midrange. Com (E-mail)
Subject: [COBOL400-L] how to validate date in cobol400

hi all!!

     how do we validate differents formats of dates, especially iso
format(yyyy/mm/dd).

TIA!!!
GODBLESS!!!

Wilson 

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