1.\" $NetBSD: logger.1,v 1.17 2020/06/26 15:46:28 wiz Exp $ 2.\" 3.\" Copyright (c) 1983, 1990, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)logger.1 8.1 (Berkeley) 6/6/93 31.\" 32.Dd June 25, 2020 33.Dt LOGGER 1 34.Os 35.Sh NAME 36.Nm logger 37.Nd make entries in the system log 38.Sh SYNOPSIS 39.Nm 40.Op Fl cins 41.Op Fl d Ar SD 42.Op Fl f Ar file 43.Op Fl m Ar msgid 44.Op Fl p Ar pri 45.Op Fl t Ar tag 46.Op Ar message ... 47.Sh DESCRIPTION 48.Nm 49provides a shell command interface to the 50.Xr syslog 3 51system log module. 52.Pp 53Options: 54.Bl -tag -width "messageXX" 55.It Fl c 56Log to console as a fallback 57.Dv ( LOG_CONS ) : 58if the message cannot be passed to 59.Xr syslogd 8 , 60the message is written to 61.Pa /dev/console . 62.It Fl d Ar sd 63Log this in the structured data (SD) field. 64.Po 65.Ar sd 66has to be passed as one argument and will require careful quoting when used from 67the shell. 68.Pc 69.It Fl f Ar file 70Log the specified file. 71.It Fl i 72Log the process id of the logger process 73with each line 74.Dv ( LOG_PID ) . 75.It Fl m Ar msgid 76The MSGID used for the message. 77.It Fl n 78Open log file immediately 79.Dv ( LOG_NDELAY ) . 80.It Fl p Ar pri 81Enter the message with the specified priority. 82The priority may be specified numerically or as a 83.Dq facility.level 84pair. 85For example, 86.Dq \-p local3.info 87logs the message(s) as 88.Ar info Ns rmational 89level in the 90.Ar local3 91facility. 92The default is 93.Dq user.notice . 94.It Fl s 95Log the message to standard error, as well as the system log 96.Dv ( LOG_PERROR ) . 97.It Fl t Ar tag 98Mark every line in the log with the specified 99.Ar tag . 100.It Ar message 101Write the message to log; if not specified, and the 102.Fl f 103flag is not provided, standard input is logged. 104.El 105.Sh EXIT STATUS 106.Ex -std logger 107.Sh EXAMPLES 108.Bd -literal -offset indent -compact 109logger System rebooted 110 111logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc 112.Ed 113.Sh SEE ALSO 114.Xr syslog 3 , 115.Xr syslogd 8 116.Sh STANDARDS 117The 118.Nm 119utility conforms to 120.St -p1003.2-92 . 121