Windows批处理错误:“'ping'不被识别为内部或外部命令可操作程序或批处理文件". [英] Windows Batch error: "'ping' is not recognized as an internal or external command operable program or batch file."

问题描述

我正在尝试在Windows中运行此命令:

I am trying to run this command in windows:

ping -n 5 127.0.0.1 > nul

我得到了错误:

'ping' is not recognized as an internal or external command operable 
program or batch fie. 

为什么Windows找不到ping命令?这是我的脚本无法正常工作:

Why can't windows find ping? Here is my script where it does not work:

@ECHO OFF

::set path
SET path=M:\\5.bmp

:findfile
IF EXIST %path% (
    ECHO File found
) ELSE (
    ECHO File not found
    ping -n 5 127.0.0.1 > nul
    goto findfile
)

推荐答案

您已覆盖PATH环境变量，因此命令处理器无法再找到ping可执行文件.

You have overridden the PATH environment variable, so the command processor can no longer find the ping executable.

修复很简单-只需使用其他变量名称即可！

The fix is nice and simple - just use a different variable name!

:: set path
SET MyPath=M:\\5.bmp

:findfile
IF EXIST %MyPath% (

请注意，如果您确实想设置path环境变量，则应像这样追加:

Please note that if you genuinely wanted to set the path environment variable, you should append to it like so:

REM Set temporarily for this session
SET PATH=%PATH%;C:\Some\Folder

REM Set permanently (but note - this change will not be made to this session)
SETX PATH=%PATH%;C:\Some\Folder

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