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DevOps-Bash-tools/mp3_set_album.sh

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1.6 KiB
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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2020-07-21 11:36:49 +0100 (Tue, 21 Jul 2020)
#
# https://github.com/HariSekhon/DevOps-Bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/HariSekhon
#
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/mp3.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Adds / Modifies album metadata across all MP3 files in the given directories to group albums or audiobooks for Mac's Books.app
$mp3_usage_behaviour_msg
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="\"album name\" [<dir1> <dir2> ...]"
help_usage "$@"
min_args 1 "$@"
check_bin id3v2
album="$1"
shift || :
# used to pipe file list inline which is more comp sci 101 correct but that could create a race condition on second
# evaluation of file list changing after confirmation prompt, and RAM is cheap, so better to use a static list of files
# stored in ram and operate on that since it'll never be that huge anyway
mp3_files="$(get_mp3_files "${@:-$PWD}")"
echo "List of MP3 files to set album = '$album':"
echo
echo "$mp3_files"
echo
read -r -p "Are you happy to set the album metadata on all of the above mp3 files to '$album'? (y/N) " answer
check_yes "$answer"
echo
while read -r mp3; do
echo "setting album '$album' on '$mp3'"
id3v2 --album "$album" "$mp3"
done <<< "$mp3_files"