in reply to How to pick an appender selectively in Log::Log4perl

You can select what you want. I would do it like this. 
   my $log_conf = qq(
        log4perl.rootLogger              = DEBUG, LOG
        log4perl.appender.LOG               = Log::Log4perl::Appender:
+:File
        log4perl.appender.LOG.filename      = $ref->{config}->{Log}
        log4perl.appender.LOG.mode          = append
        log4perl.appender.LOG.layout        = Log::Log4perl::Layout::P
+atternLayout
        log4perl.appender.LOG.layout.ConversionPattern = %d %p %m %n
        
    );

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