use Log::Log4perl::Layout::PatternLayout::Multiline;
my $layout = Log::Log4perl::Layout::PatternLayout::Multiline->new(
"%d (%F:%L)> %m");
2007/04/04 23:59:01 This is
a message with
multiple lines
and you want them to appear as
2007/04/04 23:59:01 This is
2007/04/04 23:59:01 a message with
2007/04/04 23:59:01 multiple lines
instead. This layout class simply splits up the incoming message into several chunks split by line breaks and renders them with PatternLayout just as if it had arrived in separate chunks in the first place.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.