RE: [EXTERNAL] Parameter lists -- RPG400-L

Vern, you also could pass parameters over the LDA in RPGIII or RPGIV 😉

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

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-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Vernon Hamberg
Sent: Donnerstag, 7. November 2019 16:53
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: [EXTERNAL] Parameter lists

OK, bad wording on my part - "...before RPG IV..." would have been better, or maybe "...the only way in fixed format since whenever parameters could be specified..."

On 11/7/2019 9:39 AM, Mark Waterbury wrote:

Fixed-format ILE RPG IV had D-specs, with PR and PI for many releases prior to the first appearance of /free and "free format"...

So, hardly " ... the only way ..." :-o

On Thursday, November 7, 2019, 9:58:39 AM EST, Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx> wrote:

Agreed - PLIST was merely the only way to specify parameters before
free-form - the only advantage is, people are used to it.

I suspect that the conversion tool in RDi does not convert PLISTs, to
convert you have to use a tool like Linoma's or Craig Rutledge's or do
it by hand.

Regards
Vern

On 11/7/2019 8:00 AM, Greg Wilburn wrote:

Personally... I don't know. I just replace them with DCL-PI when I'm a program updating it (when I can).

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf
Of john erps
Sent: Thursday, November 07, 2019 8:49 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: [EXTERNAL] Parameter lists

Yes, i wasn't clear.
I mean what is the advantage of using PLIST's.

On Thu, Nov 7, 2019 at 2:42 PM Craig Richards
<craig@xxxxxxxxxxxxxxxx>
wrote:

I assumed this was about the PLIST OpCode...

On Thu, 7 Nov 2019 at 13:39, Alan Shore via RPG400-L <
rpg400-l@xxxxxxxxxxxxxxxxxx> wrote:

Hi John
Maybe I am not understanding what you are asking about If you call
a program, the program either needs parameters to run - hence a
parameter list - or it doesn't We have many programs that do not
use parameters Conversely - we have a large number of programs that
do

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
'If you're going through hell, keep going.'
Winston Churchill

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx] On
Behalf Of john erps
Sent: Thursday, November 7, 2019 8:32 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: [EXTERNAL] Parameter lists

Hi all,

In almost every RPG program i see parameter lists are extensively
used. I like to know the advantage of see as i don't see it. It's
rather unique

to

RPG, separating the list of parameters from the actual call.

Every time i see a call i have to go to the beginning of the
program to see the actual parameters that are used. This, for me,
is very inconvenient. I ever use them. The only "advantage" i see
has something

to

do with "reuse".
Reuse is good, i wish it would be really used in RPG programs more (i.e.
service program and procedures etc). Instead, we got "parameter lists".

What is the advantage of parameter lists??

I suspect there is no advantage, just "we always do it like that".
They were just introduced to cope with the limited punch card
format. Same

with

key lists actually. But these days we don't have to use them anymore.
Provided free format RPG is used.

Parameter lists... does anybody know there advantage, besides
obscuring the program??
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