Re: what is unclear about 01 02 03

[therrin@xxxxxxxxx (Terry Herrin)]

Dave Mahadevan wrote:
>Although I used M1-M9 MR (still do for quick & dirty matching), I never 
>understood
>Halt indicators (used it a few times but they were more pain than anything).  I
>guess it is equivalent to the G reply on some of those RPG errors (fouls up 
>more
>than helps).

Sometimes when I'm writing a program I will check for an error
condition and think, "Man, if this error ever occurs it would be so
*bad* that I just want the program to bomb.  An example of this
happened today.  I was writing a program which reads the payroll
master file, and does a chain to the rate history file.  If the chain
to the rate file is unsuccessful, that would be bad.  Real bad.  An
employee without an hourly rate of pay?  Ouch!  So if that occurs,
blow up.  I do a SETON H1 and then a RETRN.  Program bombs, operator
on duty pages the person on call.   :-)

Terry Herrin
Sr. Programmer/Analyst
New Hanover Regional Medical Center
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