Re: Hyphens of mass destruction: When a clumsy finger meant the end for hundreds of (mainframe) jobs . The Register
Dyslexia is not just a problem with hyphens. I once typed EXEC CMS ERASE when I meant ERASE CMS EXEC and was the fastest PA1 in the West. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List on behalf of Mark Regan Sent: Monday, November 11, 2019 9:23 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Hyphens of mass destruction: When a clumsy finger meant the end for hundreds of (mainframe) jobs . The Register https://secure-web.cisco.com/10SanL6FUn_ztrcHmnohaEyhDS3eDeJ3ewjeY7ge0il5xl4n3O_jEyEA0c7qIs_Z-3BH0FTf0_o7Pi7o72pdNMFlfcZMLmbWqs4FiIcTtK9w92ofRCXOWfsZNEiIPwWXZzSNKCGH9Qz3kaoSXbSVJ-JbIddfmssjjkv0cXb6ybLhrkgoE-8EQ9MonnjMYrkQodlTv21z1hOewq2Q8QUCxVFyIirlXG8HD2KSRRIGBQEV62sKsbQ7EF3IsdjPnEQcGRjuamcIqaAbJXYrE5Amz23X8ZyaY0wXF6PzejehIJPqgB_mFcmjQSzYjD4HGQfAf_k8b2JQTGDaCaXBogOAwiUoeAb89ZFxLavPHxJnrOVioBSUFHN_FDNIZKduzAjZxmcQSXlAJCDa0ht7rE24Vaw/https%3A%2F%2Fwww.theregister.co.uk%2F2019%2F11%2F11%2Fwho_me%2F Regards, Mark T. Regan, K8MTR CTO1 USNR-Retired, Nationwide Insurance, Retired -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Hyphens of mass destruction: When a clumsy finger meant the end for hundreds of (mainframe) jobs . The Register
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
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Re: Hyphens of mass destruction: When a clumsy finger meant the end for hundreds of (mainframe) jobs . The Register
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. JES2 doesn't do "Are you sure (Y/N)"... not that I think that's often helpful. Systems Programming was subsequently tasked to suppress any JES2 command with a hyphen in it. sas On Mon, Nov 11, 2019 at 9:23 AM Mark Regan wrote: > https://www.theregister.co.uk/2019/11/11/who_me/ > > > > Regards, > > > > Mark T. Regan, K8MTR > > CTO1 USNR-Retired, > > Nationwide Insurance, Retired > > > > > > > -- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- sas -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Hyphens of mass destruction: When a clumsy finger meant the end for hundreds of (mainframe) jobs . The Register
https://www.theregister.co.uk/2019/11/11/who_me/ Regards, Mark T. Regan, K8MTR CTO1 USNR-Retired, Nationwide Insurance, Retired -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
