I have been using REXX for over 30 years and I pretty much agree with 
everything Dave says here.

Having Python " automatically there " on a customer system will make it used 
much more frequently by IBM, ISV and public domain software.

REXX has always had some big pluses :

1. It is not CLIST
2. The ADDRESS host environment feature
3. Some nice parser functions compared to what else was around in late 1980s.

It is an easy scripting language for ad-hoc solutions and product invocation 
drivers, but it is so limited in features, performance and scalability compared 
to Python. The fact that REXX variables are limited to 31-bit storage is a very 
real constraint that is most likely not going to change.

Migration away from REXX will happen slowly, but it will happen and we should 
embrace it.

Rob Scott
Rocket Software

Sent from Outlook for Android<https://aka.ms/AAb9ysg>
________________________________
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of 
David Crayford <00000595a051454b-dmarc-requ...@listserv.ua.edu>
Sent: Friday, June 28, 2024 10:07:17 PM
To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU>
Subject: Re: z/OS 3.1 Enhancements & Support News

EXTERNAL EMAIL





> Even before Python or Java emerged, opting for offloads to zIIPs was a better 
> choice.

I meant to say  "Even before Python emerged on z/OS, opting for offloads to 
zIIPs was a better choice utilizing the JVM.

> On 29 Jun 2024, at 5:01 AM, David Crayford <dcrayf...@gmail.com> wrote:
>
> Even before Python or Java emerged, opting for offloads to zIIPs was a better 
> choice.


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