On Mon, 11 Nov 2019 10:59:40 -0500, Steve Smith wrote:

>I'm not sure about JES2 interpreting a job number as negative.  But the
>"convenient" wrap-around range feature did get an operator fired at my shop
>many years ago.  He intended to purge 2 jobs: $PJ1234-1235, but prematurely
>hit enter after $PJ1234-123.  Didn't make any noise until the supervisor &
>managers & users, etc. starting screaming.  Eventually they determined that
>a head must roll.
> 
I've always felt it safer to terminate a loop on inequality (">=") rather
than equality ("=="), particularly with a floating point control variable.
"convenient" be dammed!

-- gil

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to