initial commit: fork

apps/bot/scripts/audio/lshuffle.lua

@@ -0,0 +1,19 @@
+math.randomseed(tonumber(ARGV[1]))
+local function shuffle(t)
+  for i = #t, 1, -1 do
+    local rand = math.random(i)
+    t[i], t[rand] = t[rand], t[i]
+  end
+  return t
+end
+
+local KEY = KEYS[1]
+local list = redis.call('lrange', KEY, 0, -1)
+
+if #list > 0 then
+  shuffle(list)
+  redis.call('del', KEY)
+  redis.call('lpush', KEY, unpack(list))
+end
+
+return 'OK'