notifier - cups notification interface
The CUPS notifier interface provides a standard method for adding support for
new event notification methods to CUPS. Each notifier delivers one or more IPP
events from the standard input to the specified recipient.
read IPP messages from the standard input using the
() and ippReadFile
() functions and exit on error.
Notifiers are encouraged to exit after a suitable period of inactivity,
however they may exit after reading the first message or stay running until an
error is seen. Notifiers inherit the environment and can use the logging
mechanism documented in filter
(7), CUPS Online Help (http://localhost:631/help)
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