fix_audio_metadata.sh

#!/bin/bash

## Assumes a filename ${artist} - ${title}.mp3
## If not already in mp3:
# for f in *.m4a; do ffmpeg -i "$f" -vn -ar 44100 -ac 2 -b:a 192k "${f%.*}.mp3"; done
## Assumes album cover art at ./cover.jpg

ALBUM_NAME=$1
ALBUM_ARTIST=$2

for f in *.mp3; do
  artist=$(echo "$f" | cut -d '-' -f1)
  # Removes file extension from title string, leading whitespace following delimiter:
  track=$(echo "$f" | cut -d '-' -f2 | sed -e 's|.mp3||g' -e 's/^[[:space:]]*//')
  eyeD3 "$f" --artist="$artist" \
  --album-artist="$ALBUM_ARTIST" \
  --title="$track"\
  --album "$ALBUM_NAME"\
  --add-image "cover.jpg:FRONT_COVER"
done