There are two that I can think of that prompt for configuration details on install, and keeps track of them -- libnet (which stores its config in Net/libnet.cfg in your perl module path) and CPAN, which writes to both CPAN/Config.pm and $HOME/.cpan/CPAN/MyConfig.pm

In reply to Re: Installing a config file during module operation by jhourcle
in thread Installing a config file during module operation by jkeenan1

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