Difference between revisions of "Mailutils logger"

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The <tt>mailutils logger</tt> tool logs information using Mailutils log facility.   
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The <tt>[[mu|mailutils]] logger</tt> tool logs information using Mailutils log facility.   
  
 
Syntax:
 
Syntax:

Revision as of 11:05, 11 July 2015

The mailutils logger tool logs information using Mailutils log facility.

Syntax:

 mailutils logger [options] [message]

The message argument, if supplied, gives the text to log. If not supplied, the utility reads lines of text from standard input or a file (if the --file option is given) and sends them to log:

 # Send text to log
 $ mailutils logger I am here
 # Log each line from file.txt
 $ mailutils logger --file file.txt
 # Read stdin and log it:
 $ mailutils logger

The default logging channel is bound to standard error. To bind it to syslog, use the --syslog command line option. In that case mailutils uses facility user and priority err. You can change this by using the --priority (-p) option. Its argument is either a syslog facility name or facility and severity names separated by a dot. Thus, the following invocation will use facility auth, severity info:

 mailutils logger --priority auth.info

The syslog tag can be set using the --tag (-t) option:

 mailutils logger --tag myprog

The default tag is mu-logger.

The --severity (-s) option sets the Mailutils severity level. Its argument can be any of the following strings: debug, info, notice, warning, error, crit, alert, emerg.

Finally, the --locus (-l) option binds log messages to a location in a file. Its argument has the following syntax:

 file:line[:col]

where file is the file name, line is the line number and optional col is the column number in that file.

For example, the following invocation:

 mailutils logger --locus mailutils.rc:34 Suspicious statement

will send the following to the log:

 mailutils-logger: mailutils.rc:34: Suspicious statement

See also