1.\" $OpenBSD: logger.1,v 1.16 2009/02/08 17:15:10 jmc Exp $ 2.\" $NetBSD: logger.1,v 1.4 1994/12/22 06:26:59 jtc Exp $ 3.\" 4.\" Copyright (c) 1983, 1990, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" @(#)logger.1 8.1 (Berkeley) 6/6/93 32.\" 33.Dd $Mdocdate: February 8 2009 $ 34.Dt LOGGER 1 35.Os 36.Sh NAME 37.Nm logger 38.Nd make entries in the system log 39.Sh SYNOPSIS 40.Nm logger 41.Op Fl is 42.Op Fl f Ar file 43.Op Fl p Ar pri 44.Op Fl t Ar tag 45.Op Ar message ... 46.Sh DESCRIPTION 47The 48.Nm logger 49utility provides a shell command interface to the 50.Xr syslog 3 51system log module. 52.Pp 53The options are as follows: 54.Bl -tag -width "-f file" 55.It Fl f Ar file 56Log the specified file. 57.It Fl i 58Log the process ID of the logger process 59with each line. 60.It Fl p Ar pri 61Enter the message with the specified priority. 62The priority may be specified numerically or as a 63.Dq facility.level 64pair. 65For example, 66.Dq -p local3.info 67logs the message(s) as 68.Ar info Ns rmational 69level in the 70.Ar local3 71facility. 72The default is 73.Dq user.notice . 74.It Fl s 75Log the message to standard error, as well as the system log. 76.It Fl t Ar tag 77Mark every line in the log with the specified 78.Ar tag . 79.It Ar message 80Write the message to log; if not specified, and the 81.Fl f 82flag is not 83provided, standard input is logged. 84.El 85.Pp 86.Ex -std logger 87.Sh EXAMPLES 88.Bd -literal -offset indent 89$ logger System rebooted 90 91$ logger -p local0.notice -t HOSTIDM -f /dev/idmc 92.Ed 93.Sh SEE ALSO 94.Xr syslog 3 , 95.Xr syslogd 8 96.Sh STANDARDS 97The 98.Nm 99utility is compliant with the 100.St -p1003.1-2008 101specification. 102.Pp 103The flags 104.Op Fl ifpst 105are extensions to that specification. 106