1.\" $OpenBSD: logger.1,v 1.21 2013/06/05 17:35:12 tedu 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: June 5 2013 $ 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 56Read from the specified 57.Ar file . 58.It Fl i 59Log the process ID of the logger process 60with each line. 61.It Fl p Ar pri 62Enter the message with the specified priority. 63The priority may be specified numerically or as a 64.Dq facility.level 65pair. 66For example, 67.Dq -p local3.info 68logs the message(s) as 69.Ar info Ns rmational 70level in the 71.Ar local3 72facility. 73The default is 74.Dq user.notice . 75.It Fl s 76Log the message to standard error, as well as the system log. 77.It Fl t Ar tag 78Mark every line in the log with the specified 79.Ar tag . 80.It Ar message 81Write the message to log; if not specified, and the 82.Fl f 83flag is not 84provided, standard input is logged. 85.El 86.Sh EXIT STATUS 87.Ex -std logger 88.Sh EXAMPLES 89.Bd -literal -offset indent 90$ logger System rebooted 91 92$ logger -p local0.notice -t HOSTIDM -f /dev/idmc 93.Ed 94.Sh SEE ALSO 95.Xr syslog 3 , 96.Xr syslogd 8 97.Sh STANDARDS 98The 99.Nm 100utility is compliant with the 101.St -p1003.1-2008 102specification. 103.Pp 104The flags 105.Op Fl ifpst 106are extensions to that specification. 107