RE: Update primary filre

["M. Lazarus" <mlazarus@xxxxxxxx>]

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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