From: "Ed Jaffe" <[email protected]>
To: <[email protected]>
Sent: Friday, May 01, 2015 8:23 AM
A working program had the following code:
018000 MVC 0(8,R1),=CL8'EJESPOP' Set command name
018010 MVC 8(8,R1),=CL8'PATHNAME' Set command parameter
An overzealous programmer, trying to be helpful, changed it to:
018000 MVC 0(16,R1),=CL8'EJESPOP PATHNAME' Set cmd name/parm
which introduced a problem that wasn't discovered until a very
inopportune time.
Murphy's Law: If anything can go wrong, it will.
Robert's Law: Even if it can't go wrong, it will.
I wonder why it was written that way (2 instructions) in the first place.
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