Retags the mp3s inside 'Yukito's 1001 Anime OPs & EDs' directory

Retag-Yukito_s-1001-Anime-OPs-EDs.bash

#!/usr/bin/env bash

# Copyright © 2020 Antonio Hernández Blas <hba.nihilismus@gmail.com>
# This work is free. You can redistribute it and/or modify it under the
# terms of the Do What The Fuck You Want To Public License, Version 2,
# as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
#
# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://www.wtfpl.net/ for more details.

# Retag-Yukito_s-1001-Anime-OPs-EDs.bash: retags the mp3s inside
# 'Yukito's 1001 Anime OPs & EDs' directory.
#
# For instance:
#   - Original tags:
#     - Title: Asterisk
#     - Artist: Bleach
#     - Album: Orange Range
#   - New tags:
#     - Title: Asterisk [Bleach]
#     - Artist: Orange Range
#     - Album: Orange Range

retag() {
  mp3_file="$1"
  title="$(exiftool -title -b "${mp3_file}")"
  artist="$(exiftool -artist -b "${mp3_file}")"
  album="$(exiftool -album -b "${mp3_file}")"
  new_title="${title} ("${artist}")"
  new_artist="${album}"
  new_album="${album}"
  eyeD3 \
    --no-color \
    --no-config \
    --quiet \
    --encoding utf16 \
    --title="${new_title}" \
    --artist="${new_artist}" \
    --album="${new_album}" \
    "${mp3_file}"
}

#ls -1 *.mp3 | while read line; do
#  retag "${line}"
#done