L4P-TMPL(1) User Contributed Perl Documentation L4P-TMPL(1)NAME
l4p-tmpl - Print out a Log4perl template configuration
SYNOPSIS
l4p-tmpl >l4p.conf
DESCRIPTION
l4p-tmpl prints out the text of a template Log4perl configuration for starting a new Log4perl configuration file.
COPYRIGHT AND LICENSE
Copyright 2002-2009 by Mike Schilli <m@perlmeister.com> and Kevin Goess <cpan@goess.org>.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.1 2010-02-07 L4P-TMPL(1)
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Level(3) User Contributed Perl Documentation Level(3)NAME
Log::Log4perl::Level - Predefined log levels
SYNOPSIS
use Log::Log4perl::Level;
print $ERROR, "
";
# -- or --
use Log::Log4perl qw(:levels);
print $ERROR, "
";
DESCRIPTION
"Log::Log4perl::Level" simply exports a predefined set of Log4perl log levels into the caller's name space. It is used internally by
"Log::Log4perl". The following scalars are defined:
$OFF
$FATAL
$ERROR
$WARN
$INFO
$DEBUG
$TRACE
$ALL
"Log::Log4perl" also exports these constants into the caller's namespace if you pull it in providing the ":levels" tag:
use Log::Log4perl qw(:levels);
This is the preferred way, there's usually no need to call "Log::Log4perl::Level" explicitely.
The numerical values assigned to these constants are purely virtual, only used by Log::Log4perl internally and can change at any time, so
please don't make any assumptions.
If the caller wants to import these constants into a different namespace, it can be provided with the "use" command:
use Log::Log4perl::Level qw(MyNameSpace);
After this $MyNameSpace::ERROR, $MyNameSpace::INFO etc. will be defined accordingly.
Numeric levels and Strings
Level variables like $DEBUG or $WARN have numeric values that are internal to Log4perl. Transform them to strings that can be used in a
Log4perl configuration file, use the c<to_level()> function provided by Log::Log4perl::Level:
use Log::Log4perl qw(:easy);
use Log::Log4perl::Level;
# prints "DEBUG"
print Log::Log4perl::Level::to_level( $DEBUG ), "
";
To perform the reverse transformation, which takes a string like "DEBUG" and converts it into a constant like $DEBUG, use the to_priority()
function:
use Log::Log4perl qw(:easy);
use Log::Log4perl::Level;
my $numval = Log::Log4perl::Level::to_priority( "DEBUG" );
after which $numval could be used where a numerical value is required:
Log::Log4perl->easy_init( $numval );
COPYRIGHT AND LICENSE
Copyright 2002-2009 by Mike Schilli <m@perlmeister.com> and Kevin Goess <cpan@goess.org>.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.1 2010-02-07 Level(3)