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Mark,

Apparently I missed that part of the discussion. Still, the concept of a "limits" file does not ring a bell. Would it be possible to put up a few lines of code (F-spec and whatever, and a few lines of Calcs) to jog or enlighten my thinking.

Thanks.

Jerry C. Adams
IBM System i Programmer/Analyst
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B&W Wholesale
office: 615-995-7024
email: jerry@xxxxxxxxxxxxxxx


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of M. Lazarus
Sent: Friday, May 01, 2009 9:30 AM
To: RPG programming on the IBM i / System i
Subject: RE: Update primary filre

Jerry,

As mentioned earlier, this request is NOT referring a record
address file, as would be typically generated by FMTDTA (or by
#GSORT). Rather it's referring to a technique where you can specify
one or more ranges of keys to process via a "limits" file.

This has nothing to do with conserving disk space. Other methods
require a lot more code and end up being quite messy when dealing
with many ranges of records to select.

-mark


At 5/1/09 08:15 AM, you wrote:
As someone else said, if we each had $100 to spend on RPG
enhancements, this would not garner $1.

Old programs that use RAF still work. If anyone is creating new
programs with RAF, they need to move into the 21st century.

I loved and used RAF's on the /36 because we were limited by disk
space. Today there are more viable options (LF's and SQL DDM just
to name two).

Jerry C. Adams
IBM System i Programmer/Analyst
--
B&W Wholesale
office: 615-995-7024
email: jerry@xxxxxxxxxxxxxxx


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of M. Lazarus
Sent: Thursday, April 30, 2009 8:38 PM
To: RPG programming on the IBM i / System i
Subject: Re: Update primary filre

Barbara,

That means that it's more difficult to generate the limits file and
the key lengths need to be hardcoded in the program(s) using it.

Is there any technical barrier to implementing it "properly"?

-mark


At 4/30/09 09:21 PM, you wrote:
Jeff Young wrote:
... A Limits file was a file that had a record length of exactly
twice the length of the key of the file to be processed. This file
contained a From and To key to be processed. The data in this file
would be used by the system to read all records in the group
represented by the From and To keys. AFIK, this method of processing
is only valid for program defined files.


The file to be processed can be an externally-described file (both RPG
III and RPG IV). The limits file does have to be program defined.

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