Re: Month Start/Month End

If you can use ILE, try the date/time functions of the ILE CEE APIs.
Works if you can get the first of the next month. CRTCLMOD, then CRTPGM
with binding *SRVPGM QLEAWI. (CRTBNDCL does not let you bind a service
program.)

=============================
pgm

dcl &numdays *char 4
dcl &newdate *char 8

CALLprc CEEDAYS ('06/01/02' 'MM/DD/YY' &numdays)
chgvar %bin(&numdays) (%bin(&numdays) - 1)
CALLprc CEEDATE (&numdays 'YY/MM/DD' &newdate)

endpgm
=============================

CEEDAYS gives you the number of days after October 14, 1582 (so-called
Lillian date - huh?). Thew 2nd parameter is a format string. The veriety
here is great.

The %BIN builtin function of CL lets you subtract 1 day (or any number
of days) from a binary value (an INT represented in a CHAR).

CEEDATE converts a Lillian date to any of several text strings. Note
that the templates are different. The result here is '02/05/31'.

Here's debug output:

==========================
> EVAL &olddate
  &OLDDATE = '06/01/02'
> EVAL &numdays:x 4
     00000     000256B3
> EVAL &numdays:x 4
     00000     000256B2
> EVAL &newdate
  &NEWDATE = '02/05/31'
===========================

"Condon, Mike" wrote:
>
> Is there a way to calculate month start/month end dates using CL only?
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--
Vern Hamberg

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