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At 11:14 AM 5/20/99 +0100, you wrote:
>
>
>"Al Barsa, Jr." <barsa2@ibm.net> wrote:
>
>>With all due respect, I think that software to validate a date would
>>certainly be more efficient that a file.  (The file would use MUCH more
>>disk space, the routine would use more CPU.)  Possibly a hybrid solution
>>would be the best:  Whenever a date is validated, it is put into a file.
>
>A couple of observations. Firstly Chris' file could be useful in queries
>although I don't know whether this is his intention or just a handy
by-product.

Agreed.  For whatever reason, my assumption was that this was to be used in
an RPG CHAIN environment.

>Secondly I don't think it's realistic to calculate public holidays on the
fly;
>these will have to be stored in a database file.

National holidays are specified by legislation.  I published a routine
(several years ago) called RTVHOLIDAY that calculates the date and day of
the week for every national holiday, from the years 1600-9999.  The
holidays included:

New Years Day
Martin Luther King Day
President's Day
Memorial Day
Flag Day
The Fourth of July
Labor Day
Columbus Day
Election Day
Thanksgiving Day
The Day After Thanksgiving
Christmas Eve
Christmas

This was all done by an RPG routine which was about 100 lines with
comments.  There was a trivial CL to up front it.

There is also a TAA TOOL called RTVHOLIDAY.  It uses a table, and goes from
1940 to 2039.  The holidays include:

Ash Wednesday
Martin Luther King Day
President's Day
Good Friday
Easter
Passover
Mothers Day
Memorial Day
Fathers Day
Labor Day
Columbus Day
Rosh Hashanah
Thanksgiving Day
Hanukkah

This is about 900 lines, and is all done in CL.




+--------------------------------------------------+
| Please do not send private mail to this address. |
| Private mail should go to barsa@ibm.net.         |
+--------------------------------------------------+

Al Barsa, Jr. - Account for Midrange-L
Barsa Consulting, LLC.  
400 > 390

Phone:  914-251-1234
Fax:    914-251-9406
http://www.barsaconsulting.com
http://www.taatool.com

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