sub wanted {
    /^\.nfs.*$/ &&
    (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
    int(-M _) > 7 &&
    unlink($_)
    ||
    ($nlink || (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
    $dev < 0 &&
    ($File::Find::prune = 1);
}