[文本处理] 【已解决】求助批处理高手帮我把以下要求写成批处理

@echo off
::设置目标路径
set FileDir=C:\Test
::文件夹重命名
for /f %%i in ('dir /ad /b %FileDir%') do ren %FileDir%\%%i %%i路过
pause
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@echo off
set "FileDir=C:\Test"
for /f "delims=" %%i in ('dir /ad /b "%FileDir%"') do (
    ren "%FileDir%\%%i" "%%i路过"
)
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@echo off
setlocal enabledelayedexpansion
::设置目标路径
set "FileDir=C:\Test"
for /f "delims=" %%i in ('dir /ad /b %FileDir%') do (
	set a_name=%%i
        ren "%FileDir%\%%i" "!a_name:~0,-2!"
)
pause
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@echo off
setlocal enabledelayedexpansion
::设置目标路径
set "FileDir=C:\Test"

:dowhat
set /p input=请输入数字(改名：1，还原：2）：
if not defined input echo 未输入内容&goto dowhat
if "%input%" equ "1" (
	goto renamed
) else if "%input%" equ "2" (
	goto restore
) else (
	echo 输入错误
	goto dowhat
)
::改名
:renamed
for /f "delims=" %%i in ('dir /ad /b %FileDir%') do (
	ren "%FileDir%\%%i" "%%i路过"
)
goto :eof

::还原
:restore
for /f "delims=" %%i in ('dir /ad /b %FileDir%') do (
	set a_name=%%i
	ren "%FileDir%\%%i" "!a_name:~0,-2!"
)
goto :eof
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