make_wave64

cd "$1"
current_dir=$(pwd)
filelist="$current_dir/filelist.txt"
output_file="$current_dir/CombinedAudio.w64"
log_file="$current_dir/ffmpeg_log.txt"
rm -f "$filelist"
rm -f "$log_file"

find "$current_dir" -maxdepth 1 -name 'MixPre-*.WAV' -print0 | sort -z | xargs -0 -I {} echo "file '{}'" >> "$filelist"
echo "Concatenating files... See $log_file for details."
/opt/homebrew/bin/ffmpeg -nostdin -y -f concat -safe 0 -i "$filelist" -c copy -f w64 "$output_file" >"$log_file" 2>&1

echo "Done. Combined file created as $output_file."