ASCII-World

secretNumber=$(( ((`date +%N` / 1000) % 100) +1 ))
guess=-1
while [ "$guess" != "$secretNumber" ]; do
    echo -n "I am thinking of a number between 1 and 100. Enter your guess:"
    read guess
    if [ "$guess" = "" ]; then
        echo "Please enter a number."
    elif [ "$guess" = "$secretNumber" ]; then
        echo -e "\aYes! $guess is the correct answer!"
    elif [ "$secretNumber" -gt "$guess" ]; then
        echo "The secret number is larger than your guess. Try again."
    else
        echo "The secret number is smaller than your guess. Try again."
    fi
done