RPG Display program and processing

I recently wrote a new program for our aging, all in RPG IV (no ILE yet).

This program runs interactively, simple program logic:

EXFMT the display file.
If user did *not* press F3 or F12
  loop through my records and print my report.
endif.

Like I said, very simple.  Now, I want to submit the report to batch.  Since 
there's a display
file here, this can cause problems.  The "normal" way to do this would be to 
break the program
into two different programs and write a CL wrapper.  Or even just open the 
display file in the
CL, then SBMJOB the RPG program.

Is this still the best way to do this?  Or should I be looking at some other 
new and improved
method?

I was contemplating opening the display file as USEROPN, then when I start the 
logic look and
see if I'm running in batch mode (need to find the API for that) and if I'm 
*not* in batch mode,
open the display file, do the EXFMT, and if not F3 or F12 to call SYSTEM (or 
whatever the
newest best way to call an AS/400 command is) to run SBMJOB and submit myself 
to batch.

Any suggestions?

Regards,

Jim Langston

Always looking for bigger and better things.

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