btw, this would work with slightly older rm from GNU coreutils: rm -rf --n / any GNU long option (getopt_long) for any command can be shortened as much as t

btw, this would work with slightly older rm from GNU coreutils: rm -rf --n / any GNU long option (getopt_long) for any command can be shortened as much as there isn't any ambiguity. And hence the above (this is fixed in latest GNU coreutils release).