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Re: log4Perl dynamic filename

by periapt (Hermit)
on May 20, 2013 at 12:24 UTC ( #1034326=note: print w/replies, xml ) Need Help??

in reply to log4Perl dynamic filename

For many projects, I like to define a simple functional logging configuration.
sub InitLogger { my $logfile = shift; my $logconf = q| log4perl.logger.[package_name] = INFO, Log +File log4perl.appender.LogFile = Log::Log4perl::Appende +r::File log4perl.appender.LogFile.filename = LOGFILE log4perl.appender.LOG.mode = append log4perl.appender.LogFile.layout = PatternLa +yout log4perl.appender.LogFile.layout.ConversionPattern = %d %5p> % +m%n |; $logconf =~ s/LOGFILE/$logfile/; Log::Log4perl->init( \$logconf ); return Log::Log4perl::get_logger("[package_name"); } # end InitLogger();
I set the log4perl.appender.LogFile.filename option to an arbitrary value 'LOGNAME' so that I can replace it in the string later. Not sure why but I've found this to be more stable than using variable substitution inside the config string itself.

If my projects grows to encompass several program files with almost identical log specs (except maybe for filename), I can pull the function into a library and share

use strict; use warnings; use diagnostics;

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[Lady_Aleena]: marioroy, welcome to my insanity. 8)
marioroy likes Dragod, an unbelievably huge dragon. It is bigger than any planet. Wow.
[Lady_Aleena]: marioroy, not my creation, it was submitted a long long time ago when I had submission forms with a form script I can't remember the name of off the top of my head.

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