Re: Reading/Chaining into a DS, and RNF0202

[Tony Carolla <carolla@xxxxxxxxx>]

Sure, the prefixing is simpler, by far.  But if by chance you need to
update the contents of a record from one file with the contents of the
record from the other file, a single EVAL will  work, while with
prefixing, one eval per field is necessary.


On Thu, 30 Sep 2004 11:05:07 -0400, Dan Bale <dbale@xxxxxxxxxxxxx> wrote:
> In this scenario, I would definitely *consider* using the PREFIX keyword on
> the file specs as opposed to using the DS technique.
> 
> db
> 
> > -----Original Message-----
> > From: rpg400-l-bounces@xxxxxxxxxxxx / Tony Carolla
> > Sent: Thursday, September 30, 2004 10:37 AM
> >
> > Well, the only reason I have used them is a slightly broader-based
> > reason.  If you have two files, with the same record format, therefore
> > the same field names, and therefore the same buffers in your program,
> > sometimes you want to read a record from each file, and maintain the
> > two sets of data, for comparisons, or anything else.  READing,
> > CHAINing, etc. to a DS preserves the contents of the file buffer.  I
> > am certain there are more reasons that this.  Anybody?
> 
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