Re: Difference between RPG III and RPG IV with CHAIN

[Tom Liotta <qsrvbas@xxxxxxxxxxxx>]

Loyd Goodbar wrote:

> IMO, chain is the wrong tool for looking at files with duplicate keys. I've
> only used chain when key values are unique, or SETxx and READxx for
> duplicate-keyed files. Know your data...

Why? Especially for duplicate keys, CHAIN plus READE can work great. 
The CHAIN not only does the SETLL but also a 'priming' READ for a 
loop. Just wondering why it should be avoided.

Tom Liotta

p.s. Yes... late response. I'm almost at the point of "one list per 
week".