A bash script to split audio by a list of given time codes

split_audio.sh

#!/usr/bin/env bash

INPUT=$1
INPUT_FILE="${INPUT%.*}"

TIMES=$2
IFS=',' read -ra start_times <<< "$TIMES"

idx=0
ffmpeg -i $INPUT \
  $(for i in "${start_times[@]}"; do
      idx=$((idx+1))
      next_start="${start_times[$idx]}";

      if [[ -z "$next_start" ]]; then  # Last track
        duration=$(ffprobe $INPUT -show_entries format=duration -sexagesimal -v quiet -of csv="p=0");
      else
        duration="$next_start"
      fi

      output="${INPUT_FILE}_$idx.mp3";
      echo "-ss $i -t $duration -c copy $output";
    done)