BCN2053 Operating System Lab Sheet 6 (BASH)

if_else_1.sh

#!/bin/bash

# ==========================================================
# Write a shell script, which will ask you for input 'yes'
# or 'no' and based on that will give you what is your
# input;
#
# a) If you enter yes as your input, it will echo you have
#    entered yes.
#
# b) If you enter no as your input, it will echo you have
#    entered no.
#
# c) No or invalid input is given, then gives error
#    'no input given'
# ==========================================================

echo "yes or no?"
read answer

if [[ "$answer" = "yes" ]]; then
  echo "You have entered yes"

elif [[ "$answer" = "no" ]]; then
  echo "You have entered no"

else
  echo "No input given"

fi