Re: Command Processing Multiple Values with RPG

[Peter Dow <petercdow@xxxxxxxxx>]

Hi Brad,

Try the "CL Programming" manual, SC41-5721-05, the section on "Defining 
Lists for Parameters". It has examples on exactly what is passed to the CPP.

--
*Peter Dow* /
909 793-9050
petercdow@xxxxxxxxx
/

On 11/11/2025 12:37 PM, Brad Stone wrote:
> I have a few RPG programs that are processing programs for CMD interfaces.
>
> Some have the option to send multiple values.  I've always just defined the
> parameter as a data structure with a binary value to hold the "count" of
> options.. For example:
>
> PARM       KWD(NAME) TYPE(*CHAR) LEN(60) MIN(1) +
>               MAX(10) CASE(*MIXED) PROMPT('Name')
>
> dcl-ds NameDSDef Qualified;
>    NumName Bindec(4) Pos(1);
>    Name char(60) dim(10); //*NONE
> end-ds;
>
> The the parameter is defined as:
> NameList likeds(NameDSDef);
>
> This filles the Name.Name array as it should.
>
> But now I have parameters that have multiple parts to them and it's not
> working quite the same way.
> PARM       KWD(ADDRESS) TYPE(ADDDEF) MIN(1) +
>               MAX(10) PROMPT('Address')
>
> ADDDEF:     ELEM       TYPE(*CHAR) LEN(100) CASE(*MIXED) +
>                           PROMPT('Address')
>                       ELEM       TYPE(*CHAR) LEN(2) +
>                           PROMPT('State')
>
> dcl-ds AddressDSDef Qualified;
>    NumAddress Bindec(4) Pos(1);
>    Address char(100) dim(10);
>    State char(2) dim(10);
> end-ds;
>
> Then the parameter is defined as:
> AddressList likeds(AddressDSDef);
>
> This seems to add more data in the front, not just the count.
>
> Let's say there are 3 items in the list.... The string appears to be
> count, offset to item 3, offset to item 2, offset to item 1, x'0003', then
> the data.... etc...
>
> So before each data item is x'0003' and the offsets appear to be the offset
> AFTER the count value.
>
> I've been searching for some sort of documentation or examples for this,
> but I've come up short.   AI is pretty useless when it comes to this.
>
> I'm sure I'm doing something wrong, but I can't find any docs or examples.
> It's been years since I've done commands and yes, this has to be a
> command.  :)
>
> Thanks!
>
>
> Bradley V. Stone
> www.bvstools.com
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