Re: DS Subfield in freeform

[Charles Wilt <charles.wilt@xxxxxxxxx>]

It may be non-intuitive, but it works the way fix-format did...

d myds    e ds     extname(myfile)
d* add another sub field
d  newsubfld        10a

You couldn't extend a LIKEREC DS that way...

Charles



On Wed, Apr 16, 2014 at 4:10 PM, Kurt Anderson
<Kurt.Anderson@xxxxxxxxxxxx>wrote:

> I was using the RDi help.  I thought that was supposed to update on the
> fly (not be based on the latest install of RDi).  I guess not.  I now see
> the pdf with the updated help for Like.
> http://pic.dhe.ibm.com/infocenter/iseries/v7r1m0/topic/books/sc092508a.pdf
>
> Back to ExtName:
>
> Another "interesting" (and by interesting I mean non-intuitive) aspect of
> using a data structure using Extname is that it requires you to specify
> 'end-ds.'   A DS definition using LikeRec doesn't require that, why would
> ExtName?  I'm sure there's some valid reason under the covers, but above
> the covers I now have to be aware of when to put an end-ds and when not to
> (when not specifying any subfields in the program).
>
> Interesting that the error message tells me the end-ds is assumed, yet is
> a level 20 compile error.
> RNF0202: THE END-DS IS MISSING FOR A GROUP CONTAINING FREE-FORM; END-DS IS
> ASSUMED.
>
> Help for ExtName (in the new help document) makes no mention of requiring
> end-ds.  However a webpage I found on the new freeform does mention it:
> https://www.ibm.com/developerworks/ibmi/library/i-ibmi-rpg-support/
>
> Kurt Anderson
> Sr. Programmer/Analyst - Application Development, Service Delivery Platform
>
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of John Yeung
> Sent: Tuesday, April 15, 2014 6:06 PM
> To: RPG programming on the IBM i (AS/400 and iSeries)
> Subject: Re: DS Subfield in freeform
>
> On Tue, Apr 15, 2014 at 4:12 PM, Kurt Anderson <Kurt.Anderson@xxxxxxxxxxxx>
> wrote:
> > You're right.  I didn't think to look at the help for Like.  Though I
> just did and didn't see anything about a supported second parameter.
>
> Are you looking at the right manual?
>
> By Googling, I found this:
>
>
> https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/We13116a562db_467e_bcd4_882013aec57a/page/New%20with%20IBM%20i%207.1%20TR%207%20-%20Free-form%20H,%20F,%20D%20and%20P%20statements%20for%20RPG
>
> which is good reading in itself, and which in turn has a link for the full
> PDF:
>
> http://pic.dhe.ibm.com/infocenter/iseries/v7r1m0/topic/books/sc092508a.pdf
>
> Remember, this stuff was introduced *after* 7.1.
>
> John
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