From a8f5fbff1444ea841e716a42dfaa43a24c421784 Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Fri, 6 Jan 2017 01:30:30 -0500
Subject: [PATCH] shell/mpd/bin/cleanup-music.sh: remove duplicates in
 playlists

---
 shell/mpd/bin/cleanup-music.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/shell/mpd/bin/cleanup-music.sh b/shell/mpd/bin/cleanup-music.sh
index 66f3c985..48957c9b 100755
--- a/shell/mpd/bin/cleanup-music.sh
+++ b/shell/mpd/bin/cleanup-music.sh
@@ -22,5 +22,14 @@ for song in ${songs[@]}; do
 done
 :>"$playlistfile"
 
+# Remove duplicates in playlists
+for playlist in "$playlistdir"/*.m3u; do
+    awk '!seen[$0]++' "$playlist" > "${playlist}.tmp"
+    if [[ -f "${playlist}.tmp" ]]; then
+        rm -f "$playlist"
+        mv "${playlist}.tmp" "$playlist"
+    fi
+done
+
 # Remove empty directories
 find "$HOME/music" -type d -empty -delete