超时和输入计数

#!/bin/bash
# timing the data entry

if read -t 5 -p "Please enter your name:" name
then
    echo "Hello, $name, welcome to my script"
else
    #起到换行的作用
    echo
    #输入计数 -n1
    read -n1 -p "Do you want to continue [Y/N]?" answer
    case $answer in
    Y | y) echo
           echo "Fine, continue on...";;
    N | n) echo
           echo "OK，goodbye";;
    *) echo
       echo "OK, wrong, goodbye"
    esac
    echo "Sorry, this is the end of the script"
fi