#!/bin/bash

# Adds replay gain tags to the entire music library
# Run this at the root of the music library

# Directory of your music library (change this if needed)
MUSIC_DIR="."

# Find all directories two levels deep (Artist/Album) containing FLAC files
find "$MUSIC_DIR" -type f -iname "*.flac" -exec dirname {} \; | sort -u | while read -r album_path; do
    full_album_path="$MUSIC_DIR/$album_path"
    echo "Processing album: $full_album_path"

    # Run metaflac on all FLAC files in the album directory
    metaflac --add-replay-gain "$full_album_path"/*.flac
done