FFmpeg Concatenate Wiki的很清楚

ffmpeg -f concat -safe 0 -i mylist.txt -c copy output (*.mp4/*.mkv)

On Windows Command-line:

(for %i in (*.wav) do @echo file '%i') > mylist.txt

Or for Windows bat-file:

(for %%i in (*.wav) do @echo file '%%i') > mylist.txt