OK, I think I get it. Gonna have to spend some time to try it all out.
Thanks to everyone who posted!
db
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx / Douglas Handy
> Sent: Monday, October 25, 2004 4:42 PM
>
> Dan,
>
> > What if you have a POP that would plug in required parameter values? Or
> > does the command first have to be "Prompted"? Eh, kind of a
> chicken & egg
> > thing.
>
> For commands with at least one "key" parameter (ie, most IBM CHGxxx
> commands), the command must get prompted first for just the key parms
> prior to your POP being called.
>
> For commands with no key parms, the POP will get called prior to the
> initial display.
>
> So a combination of MIN(1) plus a POP can achieve what you want,
> unless run from a CL script. When run interactively, the MIN(1) will
> cause the prompt to occur. But since you don't have any key parms,
> the POP gets called and returns the ??DATE(default) value. By the
> time the prompter displays the panel, it is no longer in error and you
> don't see the error message like you do with CRTLIB.
>
> If you ran the command from something other than the command line, the
> command would simply fail due to the missing parameter and the POP
> would not be called.
>
> Doug