Bash loop for the forgetful.

bash_simple_loop.sh

#!/usr/bin/env bash
#
# Simple loop in Bash

while : ; do  
  printf "%s\n" "Do this!" 
  printf "%s\n" "Do that!" 
  printf "%s\n" "And this, too!" 
  
  read -rp "Do you wish to continue (yes/no)?: " reply 
  printf "%s\n" "$reply"

  if [[ "$reply" == "yes" ]]; then 
      printf "%s\n" "OK. I'll give you some more." 

  elif [[ "$reply" == "no" ]]; then 
      printf "%s\n" "Now, you are free."
      break 

  fi 
done