man/man1/logger.1

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 logger 1 "1 Feb 1995" "SunOS 5.11" "User Commands"
 NAME
logger - add entries to the system log
 SYNOPSIS

logger [-i] [-f file] [-p priority] [-t tag] [message] ...


 DESCRIPTION

The logger command provides a method for adding one-line entries to the
system log file from the command line. One or more message arguments can
be given on the command line, in which case each is logged immediately. If this
is unspecified, either the file indicated with -f or the standard input
is added to the log. Otherwise, a file can be specified, in which case
each line in the file is logged. If neither is specified, logger reads
and logs messages on a line-by-line basis from the standard input.
 OPTIONS

The following options are supported:

-ffile

Uses the contents of file as the message to log.


-i

Logs the process ID of the logger process with each line.


-ppriority

Enters the message with the specified priority. The message priority can
be specified numerically, or as a facility.level pair. For
example, `-p local3.info' assigns the message priority to the
info level in the local3 facility. The default priority is
user.notice.


-ttag

Marks each line added to the log with the specified tag.


 OPERANDS

The following operand is supported:

message

One of the string arguments whose contents are concatenated together, in the
order specified, separated by single space characters.


 EXAMPLES

Example 1 Examples of the logger command

The following example:

example% logger System rebooted


logs the message `System rebooted' to the default priority level
notice to be treated by syslogd as are other messages to the
facility user.


The next example:

example% logger -p local0.notice -t HOSTIDM -f /dev/idmc


reads from the file /dev/idmc and logs each line in that file as a
message with the tag `HOSTIDM' at priority level notice to be
treated by syslogd as are other messages to the facility local0.

 ENVIRONMENT VARIABLES

See environ(5) for descriptions of the following environment variables
that affect the execution of logger: LANG, LC_ALL,
LC_CTYPE, LC_MESSAGES, and NLSPATH.
 EXIT STATUS

The following exit values are returned:

0

Successful completion.


>0

An error occurred.


 ATTRIBUTES

See attributes(5) for descriptions of the following attributes:


ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityStandard


 SEE ALSO

mailx(1), write(1), syslogd(1M), syslog(3C),
attributes(5), environ(5), standards(5)