Airplane?? In high-school I once helped replace a broken flap on a Piper Tri-pacer. The WW2 pilot then told me the repair guy always goes up for the test flight, which I did.

One thing I use often is youtube, where it seems easy to find repair instructions for almost anything (like the truck headlight bulbs I just replaced). And I'm finding more and more out there for z/OS work, although watching a video can sometimes be a bit tedious.

On 2/21/2023 8:17 AM, Steve Thompson wrote:
Oh I can't tell you how many times, working on an electrical problem, trying to fix something mechanical (car, motorcycle, airplane, etc.) and especially IT stuff (JOB streams, REXX, COBOL, ALC, conditional assembly, etc.) that explaining what you are doing to someone else....

That is what makes IBM Main, MVS-OE, CMS-PIPELINES, VM_List, etc. so invaluable to me.

Steve Thompson


On 2/21/2023 10:51 AM, Seymour J Metz wrote:
IMHO the root cause is that people see what they expect to see; hence the value of code and design reviews, where the code is read by a fresh pair of eyes with no expectations. I've often found that when I ask someone else for help and start explaining what the code is supposed to do, my view shifts enough that I spot the error mid explanation. I suspect that this is universal.

Meanwhile, I need to add the abutted parenthesis to my Safe REXX paper ;-)


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Steve Thompson [ste...@wkyr.net]
Sent: Tuesday, February 21, 2023 8:57 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Q: Where is LISTDSI kept? A: Not where you think.

Well, I finally figured out why the -3.

And it is because LISTDSI as a function is not recognized as a
command, hence -3 (which at least one of you was indicating).

I wish to thank you all for your assistance and even code samples
that are NOT what I'm working on. For clarity only, at this point
I am using a DDname not a DSN, which is why it was followed by
"FILE".

Given how much REXX code I've been doing in CMS and TSO over the
past 10 years, I think the root cause of this stems from a
concussion. I've noticed other oddities since that concussion.
But things are getting better.

So the question of where LISTDSI is found is moot, in that my
environment is correct once using "CC = 'LISTDSI' ('SYSUT1 FILE')".

I now return you to other more interesting topics.

Thank you all again,
Steve Thompson

On 2/20/2023 8:32 PM, Hobart Spitz wrote:
On Mon, 20 Feb 2023, 17:07 Steely.Mark, <steely.m...@ace.aaa.com> wrote:

Here is a simple REXX for LISTDSI:

/* A SIMPLE REXX TEST PROGRAM */
variable = 'data.set.name'
x = LISTDSI(variable)
say x

Be careful.  If you meant a fully qualified dataset name, you need to code
this.

Variable = " 'data.set.name' "

(I added blanks around the DS name to distinguish apostrophes from
quotation marks.)

One other point which confuses beginners to REXX (myself included at one
time): Anything that is not recognised as part of the REXX language is
assumed to be an expression the evaluation of which is sent to the current
host command environment for execution.  If not the default of TSO, then
ISPEXEC, ISREDIT,  DSNREXX, among many others.

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Regards, Steve Thompson

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