#!/bin/dash
# written by andrewt@unsw.edu.au for COMP(2041|9044)
# demonstrate simple use of read

echo -n "Do you like learning Shell? "
read answer

# get first letter of answer connverted to lower case
answer="$(
    echo "$answer"|
    cut -c1|
    tr A-Z a-z
    )"

if test "$answer" = "y"
then
    response=":)"
elif test "$answer" = "n"
then
    response=":("
else
    response="??"
fi

echo "$response"