From 20161e48c52db618e7d7c756eb945366dff73b8f Mon Sep 17 00:00:00 2001
From: Hyperling <me@hyperling.com>
Date: Wed, 19 Mar 2025 05:53:15 -0700
Subject: [PATCH] Start on the actual parsing of the music data.

---
 refactor_music_library.sh | 78 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 72 insertions(+), 6 deletions(-)

diff --git a/refactor_music_library.sh b/refactor_music_library.sh
index f3eb9d0..bd3ddb2 100644
--- a/refactor_music_library.sh
+++ b/refactor_music_library.sh
@@ -50,11 +50,11 @@ echo "** Tools are available."
 
 # Old Directory #
 echo "* Checking whether OLD directory exists."
-if [[ "`pwd`"== */OLD ]]; then
+if [[ "`pwd`" == *"/OLD" ]]; then
 	echo "** We are in the folder, moving up a directory."
-  cd ..
+	cd ..
 fi
-if [[ ! -d OLD ]]; then
+if [[ ! -d "OLD" ]]; then
 	echo "ERROR: Could not find a folder named 'OLD'."
 	echo "       Please create it and add your library there."
 fi
@@ -62,7 +62,7 @@ echo "** Folder exists appropriately."
 
 # Other Directories #
 echo "* Ensuring working directories NEW and INTERIM exist."
-mkdir -pv $NEW $INT
+mkdir -pv "$NEW" "$INT"
 
 ## Convert Media ##
 
@@ -70,14 +70,80 @@ echo "* Convert all files to mp3."
 find "$OLD" ! -name "*".mp3 | while read file; do
 	ffmpeg -nostdin -hide_banner -loglevel quiet -i "$file" "$file".converted.mp3
 done
-echo "** Done creating mp3s."
+echo "** Done converting mp3s."
 
 ## Transform Media ##
 
-echo "* Moving INTERIM files to NEW."
+function migrate_music {
+	file="$1"
+	command="$2"
 
+	if [[ -z $file ]]; then
+		echo "ERROR: No filename retrieved, cannot migrate."
+		return 1
+	fi
+	if [[ -z "$command" ]]; then
+		command="cp"
+	fi
+
+	echo "** $file **"
+
+	# Retrieve and clean the Title
+	title=""
+	title="`exiftool -Title "$file"`"
+	title="${title//Title   /}"
+	title="${title//   : /}"
+	title="${title//[^[:alnum:][:space:].]/}"
+	title="`echo $title`"
+	while [[ "$title" == *"  "* ]]; do
+		title="${title//  / }"
+	done
+	echo "*** Title=$title"
+
+	new_file="$title$EXT"
+
+	# Retrieve and clean the Track#
+	track=""
+	# Get raw value
+	track="`exiftool -Track "$file"`"
+	# Filter the header
+	track="${track//Track   /}"
+	track="${track//   : /}"
+	# Remove disk designations
+	track="${track%%/*}"
+	# Remove any whitespace before/after
+	track="`echo $track`"
+	# Add a leading 0 to single digits.
+	[[ ${#track} == 1 ]] && track="0$track"
+	echo "*** Track=$track"
+
+	new_file="$track. $new_file"
+
+	# Add the Album and Year.
+
+
+	new_file="$parent/$new_file"
+
+	# Add the Artist and Genre.
+
+
+	new_file="$grandparent/$new_file"
+
+	# Move the file.
+	new_file="$NEW/$new_file"
+	$command "$file" "$new_file"
+
+}
+
+echo "* Moving INTERIM files to NEW."
+find "$INT" -name "*".mp3 | while read file; do
+	migrate_music "$file" mv
+done
 
 echo "** Done with INTERIM, deleting."
 rm -rfv "$INT"
 
 echo "* Copying OLD files to NEW."
+find "$OLD" -name "*".mp3 | while read file; do
+	migrate_music "$file" cp
+done