预期脚本：首先 ping 存储在 hosts.txt 文件中的 IP，如果收到 ping 响应，则运行脚本

Question

对于下面的代码，我想通过 ping 检查 IP 是否可用，如果可用，则运行下面的代码，从 hosts.txt 检查下一个 IP

编辑 2：仅供参考，我将从 Windows 机器运行脚本

编辑 3：我设法编写了一行，现在此脚本正在 ping hosts.txt 文件中提到的所有 IP，但如果任何 IP 发生故障，则失败。需要的内容：我希望脚本在任何 IP 发生故障时转到下一个 IP。

#!/usr/bin/expect -f

#This Script will provide critical info which are required during troubleshooting

#Setting up Variables
set timeout 15                                                                                                                                 
set fid [open ./hosts.txt r]
set contents [read -nonewline $fid]
close $fid

#Grabbing Password to be used in script further
stty -echo
send_user -- "Enter the Password: "
expect_user -re "(.*)\n"
send_user "\n"
stty echo
set pass $expect_out(1,string)
foreach host [split $contents "\n"] {

    set timeout 5
    spawn ping $host
    expect  {
    "Reply" {puts "$host Is Up"}
    "Request" {puts "$host Is Down"}
        }