Sometimes, it's useful to combine the output of various filters to arrive at a log/no log decision. While Log4j, Log4perl's mother ship, chose to implement this feature as a filter chain, similar to Linux' IP chains, Log4perl tries a different approa...

Log4perl allows the use of customized filters in its appenders to control the output of messages. These filters might grep for certain text chunks in a message, verify that its priority matches or exceeds a certain level or that this is the 10th time...

IMPORTANT: Please read "ROAD TO 1.0" on some incompatibilities in the near future, before 1.0 is released. Log::Any::App is a convenient combo for Log::Any and Log::Log4perl (although alternative backends beside Log4perl might be considered in the fu...

This Log4perl filter checks if a predefined MDC key, as set in "KeyToMatch", of the currently submitted message matches a predefined regex, as set in "RegexToMatch"....

This Log4perl custom filter checks the call stack using caller() and filters the subroutine and package using user-provided regular expressions. You can specify a specific call frame to test against, or have the filter iterate through a range of call...

This Log4perl custom filter checks if the currently submitted message matches a predefined priority, as set in "LevelToMatch". The additional parameter "AcceptOnMatch" defines if the filter is supposed to pass or block the message ("true" or "false")...

This Log4perl custom filter checks if the current message has a priority matching a predefined range. The "LevelMin" and "LevelMax" parameters define the levels (choose from "DEBUG", "INFO", "WARN", "ERROR", "FATAL") marking the window of allowed mes...

This Log4perl custom filter checks if the currently submitted message matches a predefined regular expression, as set in the "StringToMatch" parameter. It uses common Perl 5 regexes. The additional parameter "AcceptOnMatch" defines if the filter is s...

This module implements an XML config, complementing the properties-style config described elsewhere....