Safe Remove

safe-rm.sh

#!/bin/bash
sleep 2
args=( $@ )
preserve_paths=( / /bin /boot /dev /etc /home /initrd /lib /proc /root /sbin /sys /usr /usr/bin /usr/include /usr/lib /usr/local /usr/local/bin /usr/local/include /usr/local/sbin /usr/local/share /usr/sbin /usr/share /usr/src /var /opt )
preserve_keywords=( bin boot dev etc home initrd lib proc root sbin sys usr include local share src opt var )
for path in "${preserve_paths[@]}"
  do
    for arg in "${args[@]}"
    do
      if [[ $arg = $path ]];
      then
        echo "I refuse to delete: $path"
        echo "It seems too important. If you want to do it anyway, use /bin/rm"
        exit 100
      fi
    done
done
counter=0
matches=()
for keyword in "${preserve_keywords[@]}"
  do 
    for arg in "${args[@]}"
    do
      if [[ $arg = $keyword ]];
      then
        counter=$(($counter + 1))
        matches=( ${matches[@]} $keyword )
      fi
      if [[ $counter -gt 1 ]];
      then
        echo "I refuse to delete: ${matches[@]}"
        echo "They seem too important. If you want to do it anyway, use /bin/rm"
        exit 100
      fi
  done
done
/bin/rm "$@"