use strict; use Log::Log4perl qw(get_logger); # Define configuration for file test.log, STDERR, and STDOUT my $conf = q( log4perl.logger = ALL, FileApp, ScreenSTDERR, ScreenSTDOUT log4perl.appender.FileApp = Log::Log4perl::Appender::File log4perl.appender.FileApp.filename = test.log log4perl.appender.FileApp.layout = PatternLayout log4perl.appender.FileApp.layout.ConversionPattern = %m%n log4perl.appender.ScreenSTDERR = Log::Log4perl::Appender::Screen log4perl.appender.ScreenSTDERR.stderr = 1 log4perl.appender.ScreenSTDERR.layout = PatternLayout log4perl.appender.FcreenSTDERR.layout.ConversionPattern = %m%n log4perl.appender.ScreenSTDOUT = Log::Log4perl::Appender::Screen log4perl.appender.ScreenSTDOUT.stderr = 0 log4perl.appender.ScreenSTDOUT.layout = PatternLayout log4perl.appender.ScreenSTDOUT.layout.ConversionPattern = %m%n ); # Initialize logging behaviour Log::Log4perl->init( \$conf ); # Obtain a logger instance my $logger = get_logger("Chess::GUI"); $logger->info("This is going to test.log, STDERR, and STDOUT.");