:
# This shell script shows how the case statement works

echo "Enter A, B or C:" "\c"
read letter
echo You entered: $letter

case $letter in
    A)
        echo You entered A
        ;;

    B)
        echo you entered B
        ;;

    C)
        echo You entered C
        ;;

    *)
        echo You did not enter A, B or C
        ;;
esac