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  • 通过bat脚本配置系统环境变量

    本文介绍使用bat脚本添加系统环境变量

    添加PATH环境变量

    添加PATH环境变量,如果已经存在则不添加。

    介绍2种方法来循环搜索路径是否已经存在:

    @echo off
    
    echo ---------------------------------------
    set pan=%~d0
    set filePath=%~p0 
    set filePath=%pan%%filePath%
    echo current path: %filePath%
    
    REM 添加PATH环境变量:如果已经存在则不添加
    echo ---------------------------------------
    SET add_path=
    
    SET toAdd=D:softwareNmap
    SET MYPATHCOPY=%PATH%
    call :search1
    echo %add_path%
    
    SET toAdd=C:Program FilesGoin
    SET MYPATHCOPY=%PATH%
    call :search2
    echo %add_path%
    
    echo add the path: %add_path%
    call set xx=%Path%;%add_path%
    wmic ENVIRONMENT where "name='Path' and username='<system>'" set VariableValue="%xx%"
    
    pause
    REM TIMEOUT /T 10
    
    REM 方法1
    :search1
    for /f "tokens=1* delims=;" %%a in ("%MYPATHCOPY%") do (
    	if "%toAdd%"=="%%a" (
    		goto :isFinded
    	)
    	set MYPATHCOPY=%%b
        goto :search1
    )
    set add_path=%toAdd%;%add_path%
    goto :EOF
    
    REM 方法2
    :search2
    for /f "delims=; tokens=1,2*" %%p in ("%MYPATHCOPY%") do (
       REM @echo %%~p
       SET MYPATHCOPY=%%~q;%%~r
       if "%toAdd%"=="%%p" (
            REM echo %%p
    	    goto :isFinded
        )
    	goto :search2
    )
    set add_path=%toAdd%;%add_path%
    goto :EOF
    
    :isFinded
    echo The path already exists: %toAdd%
    goto :EOF
    

    新建系统变量

    1、使用 setx 来设置:

    @echo off
    
    set ENV_Path=%PYTHONPATH%
    setx /M PYTHONPATH "D:Anaconda3"
    
    pause
    

    2、使用 wmic 命令设置:

    @echo off
    
    ::如果存在,先删除PYTHONPATH
    wmic ENVIRONMENT where "name='PYTHONPATH'" delete
    
    :: 创建系统变量PYTHONPATH
    wmic ENVIRONMENT create name="PYTHONPATH",username="<system>",VariableValue="D:Anaconda3"
    
    --THE END--
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  • 原文地址:https://www.cnblogs.com/hiyong/p/15484238.html
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