[文本处理] 批处理如何删除大批量相同大小的文件

@echo off
setlocal enableDelayedExpansion

for %%a in (txt jpg) do (
    set s=
    for /f %%a in ('dir /b /os *.%%a') do (
        if "!s!"=="%%~za" (
            echo %%a %%~za
        ) else (
            set s=%%~za
        )
    )
)
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@Echo off&SetLocal EnableDelayedExpansion
for /f "tokens=*" %%a in ('dir/a-d/b/oe *.mp4')do set/a c+=1&set a!c!=%%a&set b!c!=%%~za&set c!c!=%%~xa 
for /l %%a in (1,1,%c%)do set/a d=%%a+1&for /l %%b in (!d!,1,%c%)do if not !b%%a!.==. call :1 %%a %%b 
goto :eof 
:1 
if !b%1!==!b%2! if !c%1!==!c%2! set b%2=&del "!a%2!" 
goto :eof
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@cd "%~dp0"
@echo off&setlocal enabledelayedexpansion
del /F /S /Q "%~dp0*.log"&cls
for /f "delims=" %%a in ('dir /a-d /b /s *.JPG *.BMP *.PNG') do (
    for /f "delims=" %%b in ('certutil -hashfile "%%a" MD5^|findstr /V 哈希^|findstr /V 完成') do (
    set "MD5=%%b"&set MD5=!MD5:^ =!&echo !MD5!-%%a|sort /+1>>"%~dp0!MD5!.log"
         for /f "tokens=1,*delims=-" %%i in ('findstr /n /i "!MD5!" !MD5!.log^|findstr /v  "^1:"') do (
         del "%%j" 2>nul
        )
    )
)
del /F /S /Q "%~dp0*.log"&cls
echo 删除完成
pause
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@echo off&setlocal enabledelayedexpansion
@cd "%~dp0"&if exist "%temp%\MD5" del "%temp%\MD5\*.log" >nul 2>nul
for /f "delims=" %%a in ('dir /a-d /b /s *.*') do (
    for /f "delims=" %%b in ('certutil -hashfile "%%a" MD5^|findstr /r /be /c:"[0-9a-f][0-9a-f ]*"') do (
    set "MD5=%%b"&set MD5=!MD5:^ =!&echo !MD5!-%%a|findstr "!MD5!"|sort /+1 >>"%temp%\MD5\!MD5!.log"
        for /f "tokens=1,*delims=-" %%i in ('findstr /n /i "!MD5!" "%temp%\MD5\!MD5!.log"^|findstr /v  "^1:"') do del "%%j" 2>nul
        )
    )
for /f "tokens=*" %%k in ('dir/s/b/ad^|sort /r') do rd "%%k" >nul 2>nul& del "%temp%\MD5\*.log" >nul 2>nul&echo 删除完成
pause
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