@echo off
title TPP Emerald Video Joiner + Trimmer
set /p day=Day
set /p pos=Start Position
set /p dur=Duration
cd Day %day%
echo Joining TPP Emerald Day %day% video files...
echo #This File is automatically generated. Please dont modify! > joiner.txt
for %%v in (*.flv) do echo file '%%v' >> joiner.txt
ffmpeg -hide_banner -f concat -i joiner.txt -c copy joined.mp4
del joiner.txt
echo Trimming a joined TPP Emerald Day %day% video file...
ffmpeg -hide_banner -ss %pos% -i joined.mp4 -c copy -t %dur% trimmed.mp4
del /q joined.mp4
move /y trimmed.mp4 ..
cd ..
ren trimmed.mp4 day_%day%.mp4
echo Process Finished!
pause