metadata scripts

album from folder: create album from foldername
read: read and display author, album, grouping of every folder
remove author before title: remove "name - " when matching author

audiobook_metadata/metadata_search_replace.sh

@@ -1,19 +1,33 @@
 #!/usr/bin/env bash
 
-root="${1:-.}"
-find "$root" \( -iname '*.mp3' -o -iname '*.m4a' -o -iname '*.m4b' \) -print0 |
-while IFS= read -r -d '' f; do
+LIBRARY="${1:-.}"
+mapfile -t FILES < <(
+    find "$LIBRARY" -type f \( \
+        -iname "*.mp3" -o \
+        -iname "*.m4b" -o \
+        -iname "*.m4a" \
+    \)
+)
+TOTAL=${#FILES[@]}
+PROCESSED=0
+for f in "${FILES[@]}"; do
+    ((PROCESSED++))
+    if (( PROCESSED % 100 == 0 )); then
+        echo "Progress: $PROCESSED/$TOTAL files processed"
+    fi
 
     comment=$(ffprobe -v error \
         -show_entries format_tags=comment \
         -of default=nw=1:nk=1 \
         -- "$f")
+    shopt -s nocasematch
 
-    [[ $comment =~ ^[Rr]ead[[:space:]]+[Bb]y[[:space:]]+(.+) ]] || continue
+[[ $comment =~ (read[[:space:]]+by|spoken[[:space:]]+by|narrated[[:space:]]+by|gesprochen[[:space:]]+von|gelesen[[:space:]]+von)[[:space:]]+([^.$'\n']*) ]] ||  continue
 
-    composer="${BASH_REMATCH[1]}"
-    echo "Updating: $f"
-    echo "  Composer: $composer"
+    composer="${BASH_REMATCH[2]}"
+composer="${composer%"${composer##*[!.,[:space:]]}"}"
+    printf '[%d/%d] [%s] %s | OLD="%s" | NEW="%s
+"\n' "$PROCESSED" "$TOTAL" "Update" "$f" "$comment" "$composer"    
 
     dir=$(dirname -- "$f")
     base=$(basename -- "$f")