Re[2]: what is unclear about 01 02 03

Amazingly enough, I worked at a shop a couple of years back (non profit health 
care management) that still used these techniques.  IBM nearly choked when they 
bought a new AS400 and wanted to load it up with six 8MM and two 1/2" tape 
drives so that they could process _four_jobs_ at the same time.  Tape to tape 
operations to merge transactions into the "database". Stat reporting often took 
as long as five or six hours to just read through a tape. YUK! 

Just goes to show how resistant to change some folks are. 

Just a junior (pseudo) geezer... ;)
Eric A DeLong
ericadelong@pmsc.com

______________________________ Reply Separator _________________________________
Subject: RE: what is unclear about 01 02 03 
Author:  <MIDRANGE-L@midrange.com > at INTERNET
Date:    5/2/98 11:15 PM


>These are easy. How about matching record indicators (M1 - M9 and MR) or 
>Halt indicators (H1 - H9)?
     
     
     
Ah!  Matching Record Logic...  Imagine it's just a Big Merge of records 
into the selected key sequence.
     
And the H1-H9 indicators.  Useful as traps in your logic when you're too 
lazy to code the necessary trap.  Simply insert a Halt Indicator and have 
your program come to a screeching halt when something (like a disk read or 
write) fails to complete properly.
     
--Paul E Musselman
PaulMmn@ix.netcom.com
     
     
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