"MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> wrote on 01/06/2020
The logic does the following, all in CL:
* Retrieves the system date into a character field, 6 long.
* Uses CVTDAT to convert the date into a Long Julian format,
field is character, length 7
* Then it puts the Long Julian value into a decimal field,
length 7 and subtracts 7 from that
* It then moves that result back to the character field, length
7, used in step 2
* Then tries a CVTDAT to convert that to an ISO date and blows up
To do it in CL, you would have to handle the subtraction yourself
-- meaning, if the days portion is <= to 7 then subtract 1 from the year
portion and move 366 to the days portion. then MONMSG the CVTDAT and
subtract 1 from the days portion if an error occurs. A bit of a kludge
but it would work.
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