CMD如果ping成功，请执行此操作 [英] CMD if ping successful do this

问题描述

我有一种我无法理解的情况，我正在尝试做一个批处理文件，他在其中循环200次，并且在每次循环中ping主机，如果ping成功，则他执行命令.这是我得到的:

  @echo关闭对于/L %% N IN(1、1、200)DO(ping -n 1 192.1.22.%% N如果不是ERRORLEVEL 1(设置pingresult = true转到完成))设置pingresult = false:完毕如果％pingresult％== true(回声皮卡丘) 别的 (回声脱机！") 

它不起作用.

解决方案

感谢aschipfl我找到了答案！

您只需要使用 |在 ping 命令后找到"TTL ="> nul ，因为这样，如果ping成功，他将放下TTL和 |找到"TTL => nul 将对其进行验证.这是我从网站上获得解决方案的示例.

  ping -n 1 192.168.1.1 |找到"TTL => nul如果错误级别为1(回声主机无法访问) 别的 (回显主机可达) 

i have situation that i can not understand, i am trying to do a batch file where he loops 200 times and in each loop he pings a host, if the ping is successful he does a command. Here is what i got:

    @echo off
for /L %%N IN (1, 1, 200) DO (
    ping -n 1 192.1.22.%%N
    if not ERRORLEVEL 1 (
        set pingresult=true
        goto done
    )
)

set pingresult=false
:done
if %pingresult% == true (
 echo Pikachu


) else (
  echo "Offline!"
)

it doesn't work.

解决方案

Thanks to aschipfl I discovered the answer!

you just have to use | find "TTL=" >nul after the ping command because this way if the ping was successful he devolve a TTL and the | find "TTL=" >nul will grep it for validation. This is the example from the website I got the solution.

ping -n 1 192.168.1.1 | find "TTL=" >nul
if errorlevel 1 (
    echo host not reachable
) else (
    echo host reachable
)

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