rm.sh

#!/bin/bash

# ensure add this rm script's $PATH before system /usr/bin/rm command.
# a linux rm (wrapper) script which can only use -rf/-r/-f option immediately following rm command.
# e.g.
# rm ~/.cache -rf # failed! with rm: -rf: No such file or directory
# rm -rf ~/.cache # success!


case "${@:(-1)}" in
    '-rf')
        echo 'rm: -rf: No such file or directory'
        exit 1
        ;;
    '-r')
        echo 'rm: -r: No such file or directory'
        exit 1
        ;;
    '-f')
        echo 'rm: -f: No such file or directory'
        exit 1
esac

/usr/bin/rm -i --one-file-system --preserve-root "$@"