LOGGER(1) MachTen Reference Manual LOGGER(1)

NAME
logger - make entries in the system log

SYNOPSIS
logger [-is] [-f file] [-p pri] [-t tag] [message ...]

DESCRIPTION
Logger provides a shell command interface to the syslog(3) system log
module.

Options:

-i Log the process id of the logger process with each line.

-s Log the message to standard error, as well as the system log.

-f file Log the specified file.

-p pri Enter the message with the specified priority. The priority may
be specified numerically or as a ‘‘facility.level’’ pair. For
example, ‘‘-p local3.info’’ logs the message(s) as informational
level in the local3 facility. The default is ‘‘user.notice.’’

-t tag Mark every line in the log with the specified tag.

message Write the message to log; if not specified, and the -f flag is
not provided, standard input is logged.

The logger utility exits 0 on success, and >0 if an error occurs.

EXAMPLES
logger System rebooted

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

SEE ALSO
syslog(3), syslogd(8)

STANDARDS
The logger command is expected to be IEEE Std1003.2 (‘‘POSIX’’) compati-
ble.

4.3 Berkeley Distribution June 6, 1993 1