#!/bin/sh shell question

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LEARN ABOUT DEBIAN

mojo::log

Mojo::Log(3pm)						User Contributed Perl Documentation					    Mojo::Log(3pm)

NAME

       Mojo::Log - Simple logger

SYNOPSIS

	 use Mojo::Log;

	 # Log to STDERR
	 my $log = Mojo::Log->new;

	 # Customize log file location and minimum log level
	 my $log = Mojo::Log->new(path => '/var/log/mojo.log', level => 'warn');

	 # Log messages
	 $log->debug("Why isn't this working?");
	 $log->info("FYI: it happened again");
	 $log->warn("This might be a problem");
	 $log->error("Garden variety error");
	 $log->fatal("Boom!");

DESCRIPTION

       Mojo::Log is a simple logger for Mojo projects.

EVENTS

       Mojo::Log can emit the following events.

   "message"
	 $log->on(message => sub {
	   my ($log, $level, @messages) = @_;
	   ...
	 });

       Emitted when a new message gets logged.

	 $log->unsubscribe('message');
	 $log->on(message => sub {
	   my ($log, $level, @messages) = @_;
	   say "$level: ", @messages;
	 });

ATTRIBUTES

       Mojo::Log implements the following attributes.

   "handle"
	 my $handle = $log->handle;
	 $log	    = $log->handle(IO::Handle->new);

       Log file handle used by default "message" event, defaults to opening "path" or "STDERR".

   "level"
	 my $level = $log->level;
	 $log	   = $log->level('debug');

       Active log level, defaults to the value of the "MOJO_LOG_LEVEL" environment variable or "debug".

       These levels are currently available:

       "debug"
       "info"
       "warn"
       "error"
       "fatal"

   "path"
	 my $path = $log->path
	 $log	  = $log->path('/var/log/mojo.log');

       Log file path used by "handle".

METHODS

       Mojo::Log inherits all methods from Mojo::EventEmitter and implements the following new ones.

   "new"
	 my $log = Mojo::Log->new;

       Construct a new Mojo::Log object and subscribe to "message" event with default logger.

   "debug"
	 $log = $log->debug('You screwed up, but that is ok');

       Log debug message.

   "error"
	 $log = $log->error('You really screwed up this time');

       Log error message.

   "fatal"
	 $log = $log->fatal('Its over...');

       Log fatal message.

   "format"
	 my $message = $log->format('debug', 'Hi there!');
	 my $message = $log->format('debug', 'Hi', 'there!');

       Format log message.

   "info"
	 $log = $log->info('You are bad, but you prolly know already');

       Log info message.

   "is_level"
	 my $success = $log->is_level('debug');

       Check log level.

   "is_debug"
	 my $success = $log->is_debug;

       Check for debug log level.

   "is_error"
	 my $success = $log->is_error;

       Check for error log level.

   "is_fatal"
	 my $success = $log->is_fatal;

       Check for fatal log level.

   "is_info"
	 my $success = $log->is_info;

       Check for info log level.

   "is_warn"
	 my $success = $log->is_warn;

       Check for warn log level.

   "log"
	 $log = $log->log(debug => 'This should work');

       Emit "message" event.

   "warn"
	 $log = $log->warn('Dont do that Dave...');

       Log warn message.

SEE ALSO

       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.

perl v5.14.2							    2012-09-05							    Mojo::Log(3pm)

Shell Programming and Scripting