Almost every z/VM customer is forced to devise a method to close service 
virtual machine consoles at midnight, or at some time of day.  z/VM 
old-timers have done this for ages, but new z/VM customers don't often 
have the skills necessary to implement automated closures - or even 
recognize the advantages of doing so.

Before submitting this to IBM as an enhancement request (probably through 
the auspices of SHARE), it seemed prudent to run it past others for wider 
consideration.

I see three possibilities:
1) Enhance the directory entry statement "SPOOL" to add "EOF AT hh:mm:ss", 
or "CLOSE AT hh:mm:ss"
2) Enhance the CP command "SPOOL" to enhance "EOF" adding "AT hh:mm:ss", 
or enhance "CLOSE" adding "AT hh:mm:ss"
3) For the sake of consistency, both enhancements 1 and 2.

If only #2 were implemented, the new SPOOL command could be entered in the 
directory entry of such servers via the 'COMMAND' statement, providing the 
same facility with lower CP coding and documentation requirements.  New 
products could be distributed with sample directory entries containing the 
"AT hh:mm:ss" included, perhaps as a comment.

Thoughts?

Mike Walter
Aon Corporation
The opinions expressed herein are mine alone, not my employer's.


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