.\"	$OpenBSD: logger.1,v 1.5 1999/06/05 01:21:32 aaron Exp $
.\"	$NetBSD: logger.1,v 1.4 1994/12/22 06:26:59 jtc Exp $
.\"
.\" Copyright (c) 1983, 1990, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
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.\"	@(#)logger.1	8.1 (Berkeley) 6/6/93
.\"
.Dd June 6, 1993
.Dt LOGGER 1
.Os
.Sh NAME
.Nm logger
.Nd make entries in the system log
.Sh SYNOPSIS
.Nm logger
.Op Fl is
.Op Fl f Ar file
.Op Fl p Ar pri
.Op Fl t Ar tag
.Op Ar message ...
.Sh DESCRIPTION
.Nm logger
provides a shell command interface to the
.Xr syslog  3
system log module.
.Pp
Options:
.Bl -tag -width "message"
.It Fl i
Log the process ID of the logger process
with each line.
.It Fl s
Log the message to standard error, as well as the system log.
.It Fl f Ar file
Log the specified file.
.It Fl p Ar pri
Enter the message with the specified priority.
The priority may be specified numerically or as a
.Dq facility.level
pair.
For example,
.Dq \-p local3.info
logs the message(s) as
.Ar info Ns rmational
level in the
.Ar local3
facility.
The default is
.Dq user.notice .
.It Fl t Ar tag
Mark every line in the log with the specified
.Ar tag .
.It Ar message
Write the message to log; if not specified, and the
.Fl f
flag is not
provided, standard input is logged.
.El
.Pp
The
.Nm logger
utility exits 0 on success or >0 if an error occurred.
.Sh EXAMPLES
.Bd -literal -offset indent -compact
logger System rebooted

logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
.Ed
.Sh SEE ALSO
.Xr syslog 3 ,
.Xr syslogd 8
.Sh STANDARDS
The
.Nm logger
utility conforms to
.St -p1003.2-92 .