At 1:00 PM -0500 01/15/2006, Laurent Daudelin's sig said:
JCL: /J-C-L/ n. 1. IBM's supremely rude Job Control Language. JCL is the
script language used to control the execution of programs in IBM's batch
systems. JCL has a very fascist syntax, and some versions will, for example,
barf if two spaces appear where it expects one. Most programmers confronted
with JCL simply copy a working file (or card deck), changing the file names.
ROFLMAO. Rememberies... Long time ago in a state far away, I was
working at the computer center at college. One of the freshmen
programming classes used our batch machine. The professor gave them
a sample JCL block to put around their card decks, that started with:
//JOB <the professor's name>
At the bottom of the instructions, it said to replace her name with
theirs. But we all know that students can't read! uh oh.
Picture it... The night before the first assignment is due. The
student area of the computer center is *crowded* with kids hyped on
coffee and Jolt. The flood of decks is so big, the batch machine is
falling farther and farther behind. Turnaround is over an hour.
We take a rack of cards into the machine room and run them. An hour+
later, we come out with the cards and box or three of printout,
rip'n'sort 'em, then give the whole mess to a runner to take the 'em
up to the professor's office -- because every job had her name on it!
The students are staring at us - the panic growing on their faces ...
Ahhhh. JCL. Gotta love it.
- Dan.
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