#!/bin/bash
# Split long audio files into smaller segments for easier transcription
# Usage: ./split_audio.sh <input_file> [segment_length_minutes]

if [ $# -lt 1 ]; then
    echo "Usage: $0 <input_file> [segment_length_minutes]"
    echo "Example: $0 my_long_audio.wav 10"
    exit 1
fi

input_file="$1"
segment_length="${2:-10}"  # Default 10 minutes

if [ ! -f "$input_file" ]; then
    echo "Error: File '$input_file' not found"
    exit 1
fi

basename="${input_file%.*}"
extension="${input_file##*.}"

echo "Splitting '$input_file' into ${segment_length}-minute segments..."

ffmpeg -i "$input_file" -f segment -segment_time $((segment_length * 60)) -c copy -reset_timestamps 1 "${basename}_part_%03d.${extension}"

echo "Done! Created segments:"
ls -la "${basename}_part_"*."${extension}" 2>/dev/null