Add script to set flac tags from filename

flac_set_tags_from_filename.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# sets the tags for songs (FLAC files) according to their name
+# the name should be in the format: <TRACK NR>. <ARTIST> - <TITLE>.flac.
+# so for example: 01. Artist - Title.flac
+
+for file in *.flac; do
+    name="${file%.flac}"
+
+    if [[ "$name" =~ ^([0-9]+)\.\ (.+)\ -\ (.+)$ ]]; then
+        track="${BASH_REMATCH[1]}"
+        artist="${BASH_REMATCH[2]}"
+        title="${BASH_REMATCH[3]}"
+
+        echo "Tagging: $file"
+        echo "  TRACKNUMBER=$track"
+        echo "  ARTIST=$artist"
+        echo "  TITLE=$title"
+
+        metaflac --remove-tag=TRACKNUMBER \
+                 --remove-tag=ARTIST \
+                 --remove-tag=TITLE \
+                 --set-tag="TRACKNUMBER=$track" \
+                 --set-tag="ARTIST=$artist" \
+                 --set-tag="TITLE=$title" \
+                 "$file"
+    else
+        echo "Skipping (unexpected format): $file"
+    fi
+done