[76] in Zephyr_Comments

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RE: simple suggestion

daemon@ATHENA.MIT.EDU (John T Kohl)
Fri Aug 5 09:49:39 1988

Date: Fri, 5 Aug 88 09:49:26 EDT
From: John T Kohl <jtkohl@ATHENA.MIT.EDU>
To: ilham@juicy-juice.lcs.mit.edu
Cc: zephyr-comments@ATHENA.MIT.EDU
In-Reply-To: [0075]
	In zctl, how about having a way to unsubscribe to all the instances in a
	particular class. For example, I am subscribed to many olc class
	messages of different instances. It would be convenient to say
	unsubscribe to all subscriptions with class olc.

Unfortunately this is more work to implement than it seems.  zctl just
transmits the unsubscribe requests to the server, and it does the work.
The server does not support "wildcarded" unsubscribing--you must either
specify a specific <class,inst,recip> or cancel all subscriptions.  The
server currently does not do any true wildcard matching--it just matches
'*' to '*' when delivering instances, and '' to '' when checking
recipients.  I do not think it is worth the trouble to make the server
do real wildcarding.

John

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