@echo off
setlocal enabledelayedexpansion
pushd "%cd%"
for /d %%a in (*) do (
@CD /D "%~dp0"
     for /f "delims=" %%b in ('echo "%%a"^| sed "s/.\+\.\([0-9]\{3,4\}\).\+/\1/"') do (
cd "%%a"
for /f "delims=" %%c in ('dir /b/a-d/oN *.*') do (
ren "%%c" "%%b %%c"
    ))
)
pause
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@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in ('dir /ad /b ^|findstr /i "[0-9]"') do (set str=%%a&set str_a=!str!&set str_b=!str:.=!
for /l %%a in (0,1,9) do set str_a=!str_a:%%a=!
call:calc !str_a!
echo 源值!str!中包含的数字为!str_b!
for /f "delims=" %%c in ('dir /a-d /b "%%a\*"') do ren "%%a\%%c" "!str_b! %%c")
pause&exit
:calc
set n=0&set "s=%~1"
:loop
set "t=!s:~%n%,1!"
if "%t%"=="" (set "str_b=!str_b:"=!"
goto :eof)
set "str_b=!str_b:%t%=!"&set /a n+=1
goto loop
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@echo off
for /f "tokens=1*" %%i in ('dir /b /a-d /s ^| sed -r "/.*\.([0-9]{3,4})\s[^\\]*\\[^\\]*$/!d; s//\1 &/"') do (
    echo ren "%%j" "%%i %%~nxj"
)
pause
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