Taking a peek at the source of Perl::Critic::UserProfile, it turns out the config file is just a Config::Tiny file. Unfortunately that doesn't support an "include file" feature, and Perl::Critic::Config doesn't seem to mention support for multiple files overriding one another. Unless I missed something poking around (very possible), I'm not sure this is possible and you might have to build your own solution.

In reply to Re: perlcritic - Is it possible to "nest" perlcriticrc files? by Anonymous Monk
in thread perlcritic - Is it possible to "nest" perlcriticrc files? by TreyWaters

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