learning bash map

map.sh

this_to_that() {
  case "$1" in
    # [learn]
    *)
      read -rp "$1: " value
      local add="$1) echo \"$value\";;"
      sed -i "/\[learn\]/i \ \ \ \ $add" "${BASH_SOURCE[0]}"
      echo "$value"
      ;;
  esac
}