AW: return value of a rpg program -- RPG400-L

can someone give me a hint where i can specify which return code will be given 
back by an rpg program. that would do the task in my case.

> -----Ursprüngliche Nachricht-----
> Von: Igor.Beslic@xxxxxxxxxxxx [mailto:Igor.Beslic@xxxxxxxxxxxx] 
> Gesendet: Donnerstag, 8. April 2004 08:38
> An: RPG programming on the AS400 / iSeries
> Betreff: Re: return value of a rpg program
> 
> 
> When I want my rpg program return some result to calling 
> program I use 
> PLIST/PARM operations at begining of program. Parameters 
> specified with 
> PARM operation can be output or input, dependes how is your calling 
> program configured.

AFAIK this is not fully correct. parameter are passed by reference and though 
when these variables are modified, the calling program can access the modified 
value. no value from the plist is given back. but thanx for the response.

> 
> Example of defining parameters in called program:
> 
> C     *ENTRY        PLIST
> C                              PARM                    parameter1 256
> C                              PARM                    parameter2 256
> C                              PARM                    parameter3 256
> .
> .
> .
> C                              PARM                    parameterN 256
> 
> This way works fine with CL and RPG calling programs. Maybe 
> it will work 
> with perl?? You can find more details abouth it in IBM's RPG reference
> Regards, 
> 
> Igor Bešlić, dipl. ing. rač. 
> Zelinska 2, 10000 Zagreb
> e-mail: Igor.Beslic@xxxxxxxxxxxx
> 
> 
> 
> 
> "Knezevic, Mihael" <m.knezevic@xxxxxxxx>
> Sent by: rpg400-l-bounces@xxxxxxxxxxxx
> 07.04.2004 15:19
> Please respond to RPG programming on the AS400 / iSeries
> 
>  
>         To:     <rpg400-l@xxxxxxxxxxxx>
>         cc: 
>         Subject:        return value of a rpg program
> 
> 
> hi,
> 
> is it possible in rpg to return a value from a program. i 
> don't mean to
> get a return value of a procedure.
> 
> i like to do something in perl like this:
> 
> $myvar = `system myrpgprogram`;
> 
> but i don't know how i should define my prototype in the rpg program.
> the rpg program name is BS_SUBS. it tried it like this: 
> 
> DMain             PR            10A   EXTPGM('BS_SUBS') 
> D  subname                      10A 
> D  sublib                       10A 
>  * 
>  *Entry list (parameter) 
> DMain             PI            10A 
> D  subname                      10A 
> D  sublib                       10A 
> 
> but it says that a return value is not supported with EXTPGM key word.
> 
> thanx in advance for any help.
> 
> mk
> 
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