anasouardini

#!/bin/sh

key_input() {
  local key
  IFS= read -rsn1 key 2>/dev/null >&2
  if [[ $key = ""      ]]; then echo enter; fi;
  if [[ $key = $'\x20' ]]; then echo space; fi;
  if [[ $key = "k" ]]; then echo up; fi;
  if [[ $key = "j" ]]; then echo down; fi;
  if [[ $key = $'\x1b' ]]; then