Uncle Bob

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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edgeelispelixirelmemacs-lisperberlerlangff#f03f08f18f77f90f95fennelfish
fluentforfortran-fixed-formfortran-free-formfsfsharpfslftlgdresourcegdscript
gdshadergeniegherkingit-commitgit-rebasegjsgleamglimmer-jsglimmer-tsglsl
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liquidlisplitllvmloglogolualuaumakemakefilemarkdownmarkomatlabmdmdcmdx
mediawikimermaidmipsmipsasmmmdmojomovenarnarratnextflownfnginxnimnixnu
nushellobjcobjective-cobjective-cppocamlpascalperlperl6phpplsqlpopolar
postcsspotpotxpowerquerypowershellprismaprologpropertiesprotoprotobufpsps1
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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