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.\"
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.\" notifier man page for CUPS.
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.\"
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.\" Copyright © 2007-2019 by Apple Inc.
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.\" Copyright © 1997-2007 by Easy Software Products.
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.\"
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.\" Licensed under Apache License v2.0. See the file "LICENSE" for more
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.\" information.
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.\"
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.TH notifier 7 "CUPS" "26 April 2019" "Apple Inc."
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.SH NAME
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notifier \- cups notification interface
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.SH SYNOPSIS
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.B notifier
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.I recipient
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[
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.I user-data
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]
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.SH DESCRIPTION
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The CUPS notifier interface provides a standard method for adding support for new event notification methods to CUPS.
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Each notifier delivers one or more IPP events from the standard input to the specified recipient.
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.LP
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Notifiers \fBMUST\fR read IPP messages from the standard input using the
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.BR ippNew ()
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and
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.BR ippReadFile ()
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functions and exit on error.
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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.
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Notifiers inherit the environment and can use the logging mechanism documented in
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.BR filter (7).
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.SH SEE ALSO
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.BR cupsd (8),
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.BR filter (7),
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CUPS Online Help (http://localhost:631/help)
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.SH COPYRIGHT
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Copyright \[co] 2007-2019 by Apple Inc.
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