Hi, Tim:

Tim Truax <truax@usaor.net> on 10/09/97 01:37:48 AM
To: midrange-L <midrange-L@midrange.com> @ INTERNET
Subject: PGM assist?

> In order to get this program to compile I had to CRTDUPOBJ DUPDATA(*NO)
> the USSRCHM file into my library as UXSRCHM, then place an OVRDBF for
> UXSRCHM to point to actual USSRCHM file.  Is creating an empty file
> object considered proper to getting the program to compile?

Another way, is to:
 o 'program describe' the UXSRCHM, with a really big record size, and
   define some extra information for processing USSRCHM, as follows:
      FUSSRCHM IP  E                    DISK         KINFDS FILEDS
      FUXSRCHM UF  F    9999            DISK 
      F                                              KRECNO GETRRN
       (you won't need input specs for this file, and I'll discuss the
        RECNO line shortly and the INFDS shortly)
 o Put an externally-described data structure into your program, such as:
 o Define the file data structure that you promised RPG, like:
      IFILEDS      DS                                      
      I                                    B 397 4000$REC#    
 o Define GETRRN (or some field name, matching the RECNO line from above)
   (numeric, 8,0)
 o When you find a record that you want to update, $REC# will contain the
   Relative Record Number within the physical file.  We can use that to
   retrieve the record for update, as follows:
      C                     Z-ADD$REC#     GETRRN
      C           GETRRN    CHAINUXSRCHM   RECDS      60    (or whatever indic 
you want)
   (This will retrieve the record for update, and put its data into your
    data structure RECDS.  After populating/changing the fields you want
    to effect, simply do the following:
      C                     UPDATUXSRCHM   RECDS

No extra files needed, no extra compile wrappers needed.  The only two
ill effects of this approach are:
  o If your filesize ever actually exceeds 9999 bytes, (God forbid!),
    this approach will not work
  o You will get a "Buffer size longer than record size" message in the
    joblog when the file is opened (severity 10, no big deal).

I hope this helps.

  (The following signature looks right only with a fixed-pitch font)
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