a couple music library scripts

fix_album_tags_flac.sh

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+#!/bin/bash
+
+# Ensure metaflac is installed
+if ! command -v metaflac &> /dev/null; then
+    echo "metaflac is required but not installed. Exiting."
+    exit 1
+fi
+
+# Find the first .flac file
+first_flac=$(find . -maxdepth 1 -type f -iname "*.flac" | sort | head -n 1)
+
+if [ -z "$first_flac" ]; then
+    echo "No FLAC files found in the current directory."
+    exit 1
+fi
+
+echo "Using '$first_flac' as source for tags."
+
+# Extract tags from the first FLAC
+declare -A tags
+for field in DATE ARTIST ORIGINALDATE ALBUMARTIST ALBUM; do
+    value=$(metaflac --show-tag="$field" "$first_flac" | sed "s/^$field=//")
+    tags[$field]="$value"
+done
+
+# Print extracted tags
+echo "Extracted tags:"
+for field in "${!tags[@]}"; do
+    echo "  $field: ${tags[$field]}"
+done
+
+# Apply tags to other FLAC files
+for flac in *.flac; do
+    # Skip the first FLAC file
+    if [ "$flac" == "$(basename "$first_flac")" ]; then
+        continue
+    fi
+
+    echo "Tagging '$flac'..."
+
+    for field in "${!tags[@]}"; do
+        # Remove existing tag
+        metaflac --remove-tag="$field" "$flac"
+        # Set new tag if it exists
+        if [ -n "${tags[$field]}" ]; then
+            metaflac --set-tag="$field=${tags[$field]}" "$flac"
+        fi
+    done
+done
+
+echo "Tagging completed."
+

playlist_to_album.sh

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+#!/bin/bash
+
+# Ensure metaflac is installed
+if ! command -v metaflac &> /dev/null; then
+    echo "metaflac is required but not installed. Exiting."
+    exit 1
+fi
+
+# Get the current directory name
+album_name=$(basename "$PWD")
+album_artist="Various Artists"
+
+echo "Setting ALBUM to '$album_name', ALBUMARTIST to '$album_artist', DISCNUMBER to 1, and TRACKNUMBER incrementally."
+
+# Initialize track counter
+track_number=1
+
+# Process each .flac file, sorted alphabetically
+for flac in *.flac; do
+    # Skip if no flac files
+    [ -e "$flac" ] || continue
+
+    echo "Updating '$flac'..."
+
+    # Remove old ALBUM, ALBUMARTIST, DISCNUMBER, and TRACKNUMBER tags
+    metaflac --remove-tag=ALBUM --remove-tag=ALBUMARTIST --remove-tag=DISCNUMBER --remove-tag=TRACKNUMBER "$flac"
+
+    # Set new tags
+    metaflac --set-tag="ALBUM=$album_name" \
+             --set-tag="ALBUMARTIST=$album_artist" \
+             --set-tag="DISCNUMBER=1" \
+             --set-tag="TRACKNUMBER=$track_number" "$flac"
+
+    # Increment track number
+    track_number=$((track_number + 1))
+done
+
+echo "All files updated."
+