#!/usr/bin/env fish

function find-no-album-artist -d "Finds files which don't have an album artist"
	set filter 'pan=mono|c0=0.5*FL+-0.5*FR,silenceremove=start_periods=1:detection=peak'

	for f in (find . -type f \( -name "*.ogg"  -o \
	                            -name "*.flac" -o \
	                            -name "*.mp3"  -o \
	                            -name "*.opus" \))
		set out (ffprobe "$f" 2>/dev/null | rg "album_artist")

		if test ! "$out"
			echo "$f has no album artist tag"
		end
	end
end

## EOF