From 79df03a72ad0dc7c13f5e313f5038786dc38bc90 Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Wed, 2 Mar 2022 22:04:01 -0800
Subject: [mpd] Add option to randomize albums by specific artist

---
 mpd/usr/bin/mpd-random-albums | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/mpd/usr/bin/mpd-random-albums b/mpd/usr/bin/mpd-random-albums
index 0b2469b..4bcd680 100755
--- a/mpd/usr/bin/mpd-random-albums
+++ b/mpd/usr/bin/mpd-random-albums
@@ -1,9 +1,24 @@
-#!/usr/bin/scsh -s
+#!/usr/bin/env sh
+# -*- mode: scheme; -*-
+IFS=" "
+exec scsh -s "$0" "$@"
 !#
 
-(run (mpc clear))
+(define (randomize-all-albums)
+  (for-each (lambda (album)
+              (run (mpc findadd album ,album)))
+            (run/strings (pipe (mpc list album)
+                               (shuf)))))
 
-(for-each (lambda (album)
-            (run (mpc findadd album ,album)))
-          (run/strings (pipe (mpc list album)
-                             (shuf))))
+(define (randomize-albums-by-artist artist)
+  (for-each (lambda (album)
+              (display (run/string (mpc findadd ,(string-append "((artist == \"" artist "\") AND (album == \"" album "\"))")))))
+            (run/strings (pipe (mpc list album ,(string-append "((artist == \"" artist "\"))"))
+                               (shuf)))))
+
+(run (mpc clear)
+     (> /dev/null))
+
+(if (> (length command-line-arguments) 0)
+    (randomize-albums-by-artist (car command-line-arguments))
+    (randomize-all-albums))
-- 
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