crontab remove confirmation wrapper

crontab_wrapper.sh

#!/bin/bash
# alias crontab=/path/to/crontab_wrapper.sh
while getopts ":r" opt
do
    case $opt in
        r) 
            read -r -n 1 -p "Do really want to remove current crontab? [Y/n]" confirm
            echo 
            if [ "$confirm" != "Y" ]; then
                exit 1
            fi
        ;;
        *);;
    esac
done
/usr/bin/crontab "$@"