guess

linux脚本编程的例子

trap 'echo Thank you for playing!' EXIT

magicnum=$(($RANDOM%10+1))
echo 'Guess a number between 1 and 10:'
while echo -n 'Guess: ' >&2 ; read guess ; do
    sleep 4
    if [ "$guess" = $magicnum ]; then
        echo 'Right!'
        exit
    fi
    echo 'Wrong!'
done