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Validation of Dates in COBOL

 
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i.see.the.truth

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Joined: 21 Sep 2007
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PostPosted: Mon Jul 12, 2010 5:06 pm    Post subject: Validation of Dates in COBOL
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Is there any way in COBOL through which we can validate the input date (without using a DB2 query). For ex- 31.11.2010 is an invalid date. When this date is found at the input I would like to SET a flag to TRUE. The input date is always having the century part.

Thanks & Regards
Soumen
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Robert Sample

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PostPosted: Mon Jul 12, 2010 5:27 pm    Post subject:
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You can write COBOL code to validate any field any way you want -- you just have to code it.
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dbzTHEdinosauer

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PostPosted: Mon Jul 12, 2010 5:30 pm    Post subject:
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there are only about a gazzillion algorithms on the internet to accomplish this.

there have been several threads withing the last few months in this forum concerned with this task.

to write you own would involve little code and a couple of tables.

there is only one month - feb - that forces you to accomplish any math.
and then, only when the day > 28.

there are only 5 years within a decade that you have to check for leap years,
(those ending in 0,2,4,6,8).

PeterHolland provided an excellent leap year calculation at the next to last post in this thread
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Bill O'Boyle

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PostPosted: Mon Jul 12, 2010 5:37 pm    Post subject: Reply to: Validation of Dates in COBOL
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Search the forum for "CEEDAYS".

Bill
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i.see.the.truth

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PostPosted: Mon Jul 12, 2010 5:45 pm    Post subject: Reply to: Validation of Dates in COBOL
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Yes, that solves my problem .... :)

Thanks & Regards
Soumen
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