Script to embed images in audio files using tageditor cli and chafa!

embed_cover_in_audio.sh

#!/usr/bin/env bash

declare tageditor=/home/user/bin/tageditor-latest-x86_64.AppImage

if ! command -v chafa &>/dev/null || [[ ! -x "$tageditor" ]] ; then
	echo "Missing programs"
	exit  1
fi

declare -a args=() error_files=()
declare -i arglen=0 i=0
declare cover_img
declare valid_ext='.\.(mp3|MP3|m4a|M4A|m4b|M4B|aac|AAC|flac|FLAC|ogg|OGG|webm|WEBM|opus|OPUS)$'

while getopts ":f:" options ; do
	case "$options" in
		f)	cover_img="$OPTARG";;
		*)	exit 1;;
	esac
done
args+=( "${@:OPTIND}" )
arglen=${#args[@]}

if [[ -z "$cover_img" ]]; then
	for try_cover in cover.jpg Folder.jpg album.jpg; do
		cover_img="$(dirname "${args[0]}")/${try_cover}"
		[[ -f "$cover_img" ]] && break
	done
fi

if [[ ! -f "$cover_img" ]] ; then
	echo "No cover found or specified - press any key to exit"
	while read -n 1 -r; do break; done
	exit 33
fi

chafa "$cover_img" || exit 99

if ! confirm -c -q "Embed this image in (${arglen}) selected tracks?"; then
	exit 1
fi

for (( i = 0; i < arglen; i++ )) ; do
	if [[ ${args[i]} =~ $valid_ext ]] ; then
		# remove existing imag first
		if "$tageditor" set -n cover= --files "${args[i]}"; then
			# add new cover image
			"$tageditor" set -n cover="$cover_img" --files "${args[i]}"
		fi
		if [[ $? -ne 0 ]] ; then
			error_files+=("${args[i]}")
		else
			if [[ -f "${args[i]}".bak ]] ; then
				rm -v "${args[i]}".bak
			fi
			if [[ -f "${args[i]}".1.bak ]] ; then
				rm -v "${args[i]}".1.bak
			fi
		fi
	fi
done

if [[ "${#error_files[@]}" -gt 0 ]] ; then
	echo "$0: There were errors: ${error_files[*]}" 1>&2
fi

exit "${#error_files[@]}"