1.\"	$MirOS: src/usr.bin/logger/logger.1,v 1.2 2007/09/28 11:23:45 tg Exp $
2.\"	$OpenBSD: logger.1,v 1.11 2004/02/14 18:55:31 jmc Exp $
3.\"	$NetBSD: logger.1,v 1.4 1994/12/22 06:26:59 jtc Exp $
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32.\"	@(#)logger.1	8.1 (Berkeley) 6/6/93
33.\"
34.Dd $Mdocdate: September 28 2007 $
35.Dt LOGGER 1
36.Os
37.Sh NAME
38.Nm logger
39.Nd make entries in the system log
40.Sh SYNOPSIS
41.Nm logger
42.Op Fl is
43.Op Fl f Ar file
44.Op Fl p Ar pri
45.Op Fl t Ar tag
46.Op Ar message ...
47.Sh DESCRIPTION
48The
49.Nm logger
50utility provides a shell command interface to the
51.Xr syslog 3
52system log module.
53.Pp
54The options are as follows:
55.Bl -tag -width "-f file"
56.It Fl i
57Log the process ID of the logger process
58with each line.
59.It Fl f Ar file
60Log the specified file.
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.Pp
87The
88.Nm logger
89utility exits 0 on success or >0 if an error occurred.
90.Sh EXAMPLES
91.Bd -literal -offset indent
92$ logger System rebooted
93
94$ logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
95.Ed
96.Sh SEE ALSO
97.Xr syslog 3 ,
98.Xr syslogd 8
99.Sh STANDARDS
100The
101.Nm logger
102utility conforms to
103.St -p1003.2-92 .
104.Sh CAVEATS
105Starting with
106.Mx 10 ,
107the
108.Nm
109utility splits the data to log into chunks of 512 bytes each, so that
110further truncation does not occur unless most of the input octets are
111.Xr vis 3
112expanded, i.e. non-printable.
113