went

test.bat utf8编码

@echo off & cd /d "%~dp0"
chcp 65001 & cls
set "out=合并.mp4"
for /d %%i in (*) do (
	del /f "%%i\%out%" >nul 2>nul
	( for %%a in ("%%i\*.mp4") do echo file '%%a' )>"list.txt"
	ffmpeg -f concat -safe 0 -y -i list.txt -c copy "%%i\%out%" 2>nul
	echo %%i\%out%
	echo ----------
)
del /f list.txt 2>nul
pause&exit
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