[注册表类] 批处理命令find查找长字符找不到结果

pujizhongxue

大家好，我修改了网上的一个批处理文件，先判断系统变量中有没有python，如果没有就添加，但是echo %PathAll_%| find /i "%Path_%"这一句总是出问题，但是如果我把Path_=C:\Program Files (x86)\Python37-32\Scripts\;C:\Program Files (x86)\Python37-32\; 改成Path_=C:\Program Files (x86)\Python37-32\Scripts\就没有问题，请问，问题出在什么地方？

@echo off    
@set Path_=C:\Program Files (x86)\Python37-32\Scripts\;C:\Program Files (x86)\Python37-32\;   
for,/f,"tokens=1,2,*",%%a,in,('reg query "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment" /v Path'),do,(@set PathAll_=%%c)    

echo %PathAll_%| find /i "%Path_%" && set IsNull=true|| set IsNull=false
echo %IsNull%

if not %IsNull%==true (
reg add "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment" /v Path /t REG_EXPAND_SZ /d "%PathAll_%;%Path_%" /f    )
pause
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newswan

先检查下 %PathAll_%

pujizhongxue

回复 2# newswan
下面是PathAll_的内容
C:\Program Files (x86)\Python37-32\Scripts\;C:\Program Files (x86)\Python37-32\;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files (x86)\dotnet\
单独查找C:\Program Files (x86)\Python37-32\Scripts\没有问题，单独查找C:\Program Files (x86)\Python37-32\也没有问题，但是查找C:\Program Files (x86)\Python37-32\Scripts\;C:\Program Files (x86)\Python37-32\;结果就不正确。

newswan

回复 3# pujizhongxue

set "p=C:\Program Files (x86)\Python37-32\Scripts\;C:\Program Files (x86)\Python37-32\;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files (x86)\dotnet\"
set "p1=C:\Program Files (x86)\Python37-32\Scripts\"
set "p2=C:\Program Files (x86)\Python37-32\"
set "p3=C:\Program Files (x86)\Python37-32\Scripts\;C:\Program Files (x86)\Python37-32\;"

echo "%p%" | find "%p1%" && set IsNull=true || set IsNull=false
echo %IsNull%
echo "%p%" | find "%p2%" && set IsNull=true || set IsNull=false
echo %IsNull%
echo "%p%" | find "%p3%" && set IsNull=true || set IsNull=false
echo %IsNull%
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没有问题

用 echo on 检查命令行

went

一键添加环境变量,ANSI编码

@echo off 
REM 管理员权限
%1 start "" mshta vbscript:createobject("shell.application").shellexecute("""%~0""","REM",,"runas",1)(window.close)&exit
REM 要添加的环境变量列表 set "addPath="路径1";"路径2";"
set "addPath="C:\Program Files (x86)\Python37-32\Scripts";"C:\Program Files (x86)\Python37-32";"F:\Phone\tool""
set "newPath="
for %%i in (%addPath%) do (
	echo "%PATH%" | findstr /i /C:";%%~i" >nul 2>nul && (
		echo %%~i 环境变量已存在
	) || (
		echo %%~i 环境变量不存在
		call set "newPath=%%newPath%%;%%~i"
	)
	echo ----------------------
)
if not "%newPath%"=="" (
	echo.
	echo 正在追加环境变量: "%newPath%"
	setx "PATH" "%PATH%%newPath%"
)
pause&exit
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