.\"	$NetBSD: logger.1,v 1.15 2012/05/13 17:08:31 njoly Exp $
.\"
.\" Copyright (c) 1983, 1990, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"	@(#)logger.1	8.1 (Berkeley) 6/6/93
.\"
.Dd April 26, 2012
.Dt LOGGER 1
.Os
.Sh NAME
.Nm logger
.Nd make entries in the system log
.Sh SYNOPSIS
.Nm
.Op Fl cins
.Op Fl d Ar SD
.Op Fl f Ar file
.Op Fl m Ar msgid
.Op Fl p Ar pri
.Op Fl t Ar tag
.Op Ar message ...
.Sh DESCRIPTION
.Nm
provides a shell command interface to the
.Xr syslog 3
system log module.
.Pp
Options:
.Pp
.Bl -tag -width "messageXX"
.It Fl c
Log to console
.Dv ( LOG_CONS ) .
.It Fl d Ar sd
Log this in the structured data (SD) field.
.Po
.Ar sd
has to be passed as one argument and will require careful quoting when used from
the shell.
.Pc
.It Fl f Ar file
Log the specified file.
.It Fl i
Log the process id of the logger process
with each line
.Dv ( LOG_PID ) .
.It Fl m Ar msgid
The MSGID used for the message.
.It Fl n
Open log file immediately
.Dv ( LOG_NDELAY ) .
.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 s
Log the message to standard error, as well as the system log
.Dv ( LOG_PERROR ) .
.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
.Sh EXIT STATUS
.Ex -std logger
.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
utility conforms to
.St -p1003.2-92 .