@echo off
rem 批处理保存为utf-8编码格式
chcp 65001 >nul
cd /d "%~dp0"
for /f "delims=" %%d in ('dir /b /ad') do (
	for /f "delims=" %%a in ('mediainfo --Output^="Video;%%Duration%% " "%%d\*.mp4"') do (
		for %%b in (%%a) do (
			set /a n+=%%b
		)
	)
	if defined n (
		set /a n/=1000*60
		call ren "%%d" "%%d-%%n%%min"
		set n=
	)
)
pause
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@echo off
rem 批处理保存为utf-8编码格式
chcp 65001 >nul
cd /d "%~dp0"
for /f "delims=" %%d in ('dir /b /ad') do (
	for /f "delims=" %%a in ('mediainfo --Output^="Video;%%Duration%%+" "%%d\*.mp4"') do (
		for /f "delims=." %%x in ('powershell -c "(%%a0)/1000/60"') do (
			ren "%%d" "%%d-%%xmin"
		)
	)
)
pause
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@echo off
rem 批处理保存为ansi编码格式
cd /d "%~dp0"
for /f "delims=" %%d in ('dir /b /s /ad ^|sort /r') do (
	for /f "delims=" %%a in ('mediainfo --Output^="Video;%%Duration%%+" "%%d\*.mp4"') do (
		for /f "delims=." %%x in ('powershell -c "(%%a0)/1000/60"') do (
			echo ren "%%d" "%%~nxd-%%xmin"
		)
	)
)
pause
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@echo off
chcp 65001
md "1\新建文件夹"
dir /b /s /ad "1" |sort /r
pause
exit
显示
D:\1\新建文件?
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@echo off
chcp 65001
echo 批处理|sort
pause
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@echo off &setlocal enabledelayedexpansion
set "mF=c:\applications\MediaInfo.exe"
for /f "delims=" %%d in ('dir /b/s/ad^|sort /r') do (
	pushd "%%d"
	for /f "delims=" %%F in (' dir /b/a-d "%%d\*.mp4" ') do (
		for /f "tokens=1-3 delims=:." %%a in (' call "%mF%" "--output=General;%%Duration/String3%%" "%%F" ') do (
			set "h=%%a"&set "m=%%b"&(if "0"=="!h:~,1!" set "h=!h:~1!")&(if "0"=="!m:~,1!" set "m=!m:~1!")
			set/a "t+=!h!*60+!m!" 2>nul
		)
	)
	ren "%%d" "%%~nd.{!t!m}"
	set "t=" &popd
)
endlocal&pause&exit/b
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@if(0)==(0) @echo off
cd /d "%~dp0"
for /d %%d in (*) do (
    pushd "%%d"
    for /f "delims=" %%i in ('dir /b /a-d "*.mp4"^|cscript /e:jscript /Nologo "%~f0"') do (
    popd
    ren "%%d" "%%d【%%i分】"
    )
)
pause&exit
@end
objPlayer=new ActiveXObject("WMPlayer.OCX"),ws=WSH.stdin,durationInSeconds=0;
while (!ws.atendofstream) {
    var filePath = ws.readline();
    var objMedia = objPlayer.newMedia(filePath);
    durationInSeconds += objMedia.duration
}
WScript.Echo(Math.ceil(durationInSeconds/60));
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