#!/bin/bash

# File containing the list of file paths
log_file="file_paths_log.txt"
output_file="output.mp3"
file_list="filelist.txt"

# Create a new filelist
echo "" > $file_list

# Read the file paths from the log file and prepare the filelist for ffmpeg concat demuxer
while IFS= read -r filePath; do
    echo "file '$filePath'" >> $file_list
done < "$log_file"

# Construct the ffmpeg command to concatenate the files with a 0.5s delay
ffmpeg_command="ffmpeg -f concat -safe 0 -i $file_list -filter_complex \"adelay=500|500\" -c:a libmp3lame -q:a 2 \"$output_file\""

# Execute the ffmpeg command
echo "Running command: $ffmpeg_command"
eval $ffmpeg_command