Re: Uncle Bob

I used google Anti gravity to help me write a windows script to make a
sports score ticker. If I didn’t have to support it I could sell these
things

On Sun, Jan 25, 2026 at 6:06 PM Infodorado InfoDorado via RPG400-L <
rpg400-l@xxxxxxxxxxxxxxxxxx> wrote:

I would take *nothing at all* even with a grain of salt, even a big block
of salt like farmers leave out in the field they call a cow lick, from AI

--Alan

On 01/25/2026 2:44 AM EST Daniel Gross <daniel@xxxxxxxx> wrote:


IMHO - "hallucinations" - AFAIK there is and never was a "job type"

field in the PSDS.

But it's not uncommon for LLM to "hallucinate" and produce results that

are simply plain wrong.

You then have to "argue" with it to accept the correction.

We still have to accept that - no matter how far advanced those models

are - they are still driven by statistical probability.

And IMHO those hallucination problems will get worse, because they

models are now trained partly with data, that is already generated by other
LLMs.

I have about 10 drafts for blog and LinkedIn posts here, that I wanted

to do about Bob since I first seen it at TechXchange - but they all end up
not so positive - so right now I keep them to myself, until I have more
empirical data.

Bob is impressive - some things it really does quite good. But there are

so many cases where it quietly fails, but the code looks so convincing.

Right now, my personal experience says: take everything that ANY LLM/AI

is producing with a good (large) grain of salt!

Kind regards,
Daniel

Am 25.01.2026 um 08:05 schrieb Gad Miron <gadmiron@xxxxxxxxx>:

What am I missing?


I asked Bob the following question:

As an expert RPG programmer, How can you tell if an RPG program runs in
Batch or Interactive (PSDS?)

I got the following
Using PSDS to Detect Batch vs Interactive Mode

The PSDS (Program Status Data Structure) contains information about the
program's execution environment. The key field for determining batch vs
interactive mode is at positions 244-253, which contains the job name.
Method 1: Check Job Type Field (Position 244-253)

Here's how to implement this in free-format RPGLE:

**FREE// Define PSDSDcl-Ds PSDS Qualified; PgmName Char(10)
Pos(1); Status Zoned(5:0) Pos(11); PrevStatus Zoned(5:0)
Pos(16); LineNum Char(8) Pos(21); Routine Char(8)
Pos(29); Parms Zoned(3:0) Pos(37); ExcpType Char(3)
Pos(40); ExcpNum Char(4) Pos(43); PgmLib Char(10)
Pos(81); ExcpData Char(80) Pos(91); ExcpId Char(4)
Pos(171); Date Char(8) Pos(191); Year Zoned(2:0)
Pos(199); LastFile Char(8) Pos(201); LastFileLib Char(10)
Pos(209); JobName Char(10) Pos(244); // Job name UserId
Char(10) Pos(254); // User profile JobNumber Zoned(6:0)
Pos(264); // Job number JobDate Zoned(6:0) Pos(270); // Job
date RunDate Zoned(6:0) Pos(276); // Run date (YYMMDD) RunTime
Zoned(6:0) Pos(282); // Run time (HHMMSS)End-Ds;Dcl-S JobType
Char(1);// Determine if batch or interactiveIf
%Subst(PSDS.JobName:1:1) >= '0' and %Subst(PSDS.JobName:1:1) <=
'9'; JobType = 'B'; // Batch job (starts with number)Else; JobType
= 'I'; // Interactive job (starts with Q)EndIf;

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Method 2: Using Job Type from PSDS (Position 304)

In newer IBM i versions, there's a dedicated field:

**FREEDcl-Ds PSDS Qualified; // ... other fields ... JobType Char(1)
Pos(304); // 0=Batch, 1=InteractiveEnd-Ds;If PSDS.JobType = '1'; //
Interactive jobElse; // Batch jobEndIf;

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Method 3: Using API (Most Reliable)

For the most reliable method, use the QUSRJOBI API:





I see no such fields in RPG Reference Manual , PSDS section.

I must be missing something.


Gad
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