smss

@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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