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| | logger - add entries to the system log |
SYNOPSIS
| | logger [-i] [-f file] [-p priority] [-t tag] [message] ... |
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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.
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The following options are supported:
- -ffile
- Use the contents of file as the message to log.
- -i
- Log the process ID of the logger process with each line.
- -ppriority
- Enter 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
- Mark each line added to the log with the specified tag.
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The following operand is supported:
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message
- One of the string arguments whose contents are concatenated together, in the order
specified, separated by single space characters.
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| | Example 1. Examples of the logger command.
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The following example:
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example% logger System rebooted
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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:
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example% logger -p local0.notice -t HOSTIDM -f /dev/idmc
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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.
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See environ(5) for descriptions of the following environment
variables that affect the execution of logger: LC_CTYPE, LC_MESSAGES, and NLSPATH.
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The following exit values are returned:
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0
- Successful completion.
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>0
- An error occurred.
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See attributes(5) for descriptions of the following
attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWcsu |
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