sub setperms {
    my $fn = $File::Find::name;
    my $untained_fn;
    my $mode;
    if ($fn =~ m!^(\Q$baseDir\E([/\w.]+)\z!) {
        $untainted_fn = $1;
        $mode = 0664;
    } else {
        $fn =~ m!^(.*)$!;
        $untainted_fn = $1;
        $mode = 0000;
        warn "File name '$untainted_fn' does not match criteria, setting mode to 0.";
    };

    chmod($untained_fn,$mode) or die "Couldn't change '$untainted_fn' to $mode: $!";
};