I program that way to this day.  (Lots of compiles of small changes, that is.)  
Never been called out on it like that, though!

________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of Tom 
Brennan <[email protected]>
Sent: Wednesday, August 18, 2021 11:17 AM
To: [email protected] <[email protected]>
Subject: Re: even an old mainframer can do it

Me too, but in the early 1980's.  I'd run the assembler from TSO READY
so I wouldn't have to wait for an initiator.  My way of programming was
always like starting with a ball of clay generally like what I wanted,
then adding the details as I went along.  That method means lots and
lots of compiles.  Then one day my supervisor dropped by my desk with a
blue-bar listing titled, "Top 10 TSO CPU Users" and I think I was on the
top.  Oops.

On 8/17/2021 11:35 PM, Mike Schwab wrote:
> Well, in the early 1990s, my system had 1-2 hour delays on compiles.
> So while waiting, I wrote a clist to do the same thing.  Allocate,
> error handling, and deallocate of a single file took about 30 lines,
> and a few iterations of debugging.  So, once I had one file allocate,
> I went through all the files, executed the program, and deallocated,
> and proceeded with the next two steps.  Got it working and would go
> get a new cup of coffee while it ran instead of having to wait.
>

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