filters:

    { Perl5_CPAN_Config.pm
        NameRegex:   "/usr/lib.*/perl5/.*/CPAN/Config.pm$"
        Type:        "reg"
        Result:      "Type.NameRegex"
    }

editfiles:
    Somehost::
        { /usr/lib/perl5/
            Recurse "10"
            Filter "Perl5_CPAN_Config.pm"
            LocateLineMatching "^ *'prerequisites_policy' => q\[ask\],$"
            ReplaceLineWith     "  'prerequisites_policy' => q[yes],"
        }