[文本处理] 求助，批处理如何修改ini文件的指定键值对？

@echo off

set rip=c:\windows

set tihuan1=SourcePath=
set tihuan2=NeedUpdatePath=

echo %tihuan1%
echo %tihuan2%
pause

del /f /q new.ini

findstr /n .* 1.ini>temp.ini
for /f "tokens=1* delims=:" %%a in ('findstr /b /n %tihuan1% 1.ini') do (
	set /a tn=%%a
	for /f "tokens=2 delims==" %%c in ("%%b") do set tip=%%c
) 
setlocal enabledelayedexpansion
for /f "tokens=1* delims=:" %%i in (temp.ini) do (
	set /a ln=%%i
	set line=%%j
	if !ln! equ !tn! (
	echo;!line:%tip%=%rip%!
	) else (
	echo;!line!
	)
)>>new.ini


1pause
del /q 1.ini
ren new.ini 1.ini


1pause
del /f /q temp.ini





findstr /n .* 1.ini>temp.ini
for /f "tokens=1* delims=:" %%a in ('findstr /b /n %tihuan2% 1.ini') do (
	set /a tn=%%a
	for /f "tokens=2 delims==" %%c in ("%%b") do set tip=%%c
) 
setlocal enabledelayedexpansion
for /f "tokens=1* delims=:" %%i in (temp.ini) do (
	set /a ln=%%i
	set line=%%j
	if !ln! equ !tn! (
	echo;!line:%tip%=%rip%!
	) else (
	echo;!line!
	)
)>>new.ini


1pause
del /q 1.ini
ren new.ini 1.ini


1pause
del /f /q temp.ini


1pause
exit
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@echo off
setlocal enabledelayedexpansion
(for /f "tokens=1* delims=:" %%h in ('findstr /n "." "1.ini"') do (
    set "str=%%i"
    if "!str:SourcePath=!" neq "%%i" (
        echo SourcePath=C:\Windows
    ) else if "!str:NeedUpdatePath=!" neq "%%i" (
        echo NeedUpdatePath=C:\Windows
    ) else (
        echo,%%i
    )
))>"2.ini"
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[节点]
选项=xxx
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[INI]
Filename: "MyProg.ini"; Section: "InstallSettings"; Flags: uninsdeletesection
Filename: "MyProg.ini"; Section: "InstallSettings"; Key: "InstallPath"; String: "{app}"
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powershell "(gc 'test.ini') -replace '(?<=^\s*?(SourcePath|NeedUpdatePath)\s*?=).*','c:\windows'"&pause
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@echo off&setlocal enabledelayedexpansion
chcp 65001
(
	for /f "delims= eol=" %%a in (src.ini) do (
		2>NUL set "%%a" && (
			if defined SourcePath (
				echo;SourcePath=C:\Windows
				set SourcePath=
			) else if defined NeedUpdatePath (
				echo;NeedUpdatePath=C:\Windows
				set NeedUpdatePath=
			) else (
				echo;%%a
			)
		) || (
			echo;%%a
		)		
	)
)>.\new.ini
chcp 936
start .\new.ini
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