In the piece of code you mentioned, you are not writing Perl code but a properties file (with lines "key = value") which is read by this statement: 

 Log::Log4perl::init_and_watch('/etc/log4perl.conf',5);

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The value can be extended for many lines if they end in "\". There is more info in the FAQ within Log-Log4perl distribution.

In reply to Re^3: log file in Log4perl by ferreira
in thread log file in Log4perl by palette

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