NAME [Toc] [Back]
logger - make entries in the system log
SYNOPSIS [Toc] [Back]
logger [-t tag] [-p pri] [-i] [-f file] [message...]
DESCRIPTION [Toc] [Back]
The logger command provides a program interface to the syslog() system
log module (see syslog(3C)).
A message can be given on the command line, which is logged
immediately, or a file is read and each line is logged. If no file or
message is specified, the contents of the standard input are logged.
Options [Toc] [Back]
The logger command recognizes the following command-line options and
-t tag Mark every line in the log with the specified tag.
The default is the value returned by getlogin()
(see getlogin(3C)). If getlogin() returns NULL,
syslog is the default.
-p pri Enter the message with the specified priority.
The priority can be specified numerically or as a
facility.level pair. For example, -p local3.info
logs the message or messages as informational
level in the local3 facility. The default is
-i Log the process ID of the logger process with each
-f file Log the contents of the specified file.
message The message to log; if not specified, the file
specified by the -f option or standard input is
EXTERNAL INFLUENCES [Toc] [Back]
LC_MESSAGES determines the language in which messages are displayed.
If LC_MESSAGES is not specified in the environment or is set to the
empty string, the value of LANG is used as a default for each
unspecified or empty variable. If LANG is not specified or is set to
the empty string, a default of "C" (see lang(5)) is used instead of
If any internationalization variable contains an invalid setting,
logger behaves as if all internationalization variables are set to
Hewlett-Packard Company - 1 - HP-UX 11i Version 2: August 2003
"C". See environ(5).
International Code Set Support [Toc] [Back]
Single- and multi-byte character code sets are supported.
EXAMPLES [Toc] [Back]
Send the message System rebooted to the syslogd daemon:
logger System rebooted
Send output from the users command (see users(1) to the syslogd
daemon, marked as level info and facility local0. The message is
tagged with the string USERS:
users | logger -p local0.info -t USERS
Send the message System going down immediately!!! to the syslog
daemon, at the emerg level and user facility:
logger -p user.emerg "System going down immediately!!!"
WARNINGS [Toc] [Back]
The logger command has no effect if the syslogd daemon (see
syslogd(1M)) is not running on the system.
Messages written in locales other than the POSIX/C locale are not
AUTHOR [Toc] [Back]
logger was developed by the University of California, Berkeley.
SEE ALSO [Toc] [Back]
syslogd(1M), getlogin(3C), syslog(3C).
STANDARDS CONFORMANCE [Toc] [Back]
logger: XPG4, POSIX.2
Hewlett-Packard Company - 2 - HP-UX 11i Version 2: August 2003 [ Back ]