updated mp3_set_album.sh

mp3_set_album.sh

@@ -17,24 +17,20 @@ set -euo pipefail
 [ -n "${DEBUG:-}" ] && set -x
 srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-# shellcheck disable=SC2034
+# shellcheck disable=SC1090
+. "$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
 
-If no directory arguments are given, works on MP3s under \$PWD
-
-Only proposes MP3 files within direct subdirectories to reduce the chance of accidentally running on an entire top level MP3 archive
-
-Shows the list of MP3 files that would be affected before running the metadata update and prompts for confirmation before proceeding for safety
+$mp3_usage_behaviour_msg
 "
 
 # used by usage() in lib/utils.sh
 # shellcheck disable=SC2034
 usage_args="\"album name\" [<dir1> <dir2> ...]"
 
-# shellcheck disable=SC1090
-. "$srcdir/lib/utils.sh"
-
 help_usage "$@"
 
 min_args 1 "$@"
@@ -49,12 +45,7 @@ shift || :
 # 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="$(for dir in "${@:-$PWD}"; do find "$dir" -maxdepth 2 -iname '*.mp3' || exit 1; done)"
-
-if is_blank "$mp3_files"; then
-    echo "No MP3 files found"
-    exit 1
-fi
+mp3_files="$(get_mp3_files "${@:-$PWD}")"
 
 echo "List of MP3 files to set album = '$album':"
 echo
@@ -63,10 +54,7 @@ echo
 
 read -r -p "Are you happy to set the album metadata on all of the above mp3 files to '$album'? (y/N) " answer
 
-if [ "$answer" != "y" ]; then
-    echo "Aborting..."
-    exit 1
-fi
+check_yes "$answer"
 
 echo