RE: Reading/Chaining into a DS, and RNF0202

I recently had an occasion where I needed to pass the contents of a record down 
to called modules.  I read into a data structure and passed the address to the 
other modules so I wouldn't have to re-read the same record.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Justin Houchin
Sent: Thursday, September 30, 2004 7:18 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: Reading/Chaining into a DS, and RNF0202


Would comparing fields from one file to another be the only reason to 
read an external file into a data structure?  If not, could someone give 
  some other examples on why you would do this.

Thanks,
Justin

Tony Carolla wrote:

> Mr. Rick Chevalier  thankyouthankyouthankyouthankyou!!!!
> 
> You just saved me from writing 26 boring subprocedures which compare
> and move a bunch of fields from one file to the other.
> 
> Apparently, using the EXTNAME keyword doesn't then allow you to use
> the defined data struct for reading into, or updating from.
> 
> 
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