77七

@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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gddsssko

用通义前问折腾了好久都不行