fix indentation & fix crash on startup

init.lua

@@ -8,54 +8,56 @@ local MESSAGE_INTERVAL = 0
 
 math.randomseed(os.time())
 
-	random_messages = {}
+random_messages = {}
-	random_messages.messages = {} --This table contains all messages.
+random_messages.messages = {} --This table contains all messages.
 
-	function random_messages.initialize() --Set the interval in minetest.conf.
+function random_messages.initialize() --Set the interval in minetest.conf.
 	minetest.setting_set("random_messages_interval",120)
 	minetest.setting_save();
 	return 120 
-	end
+end
 
-	function random_messages.set_interval() --Read the interval from minetest.conf(set it if it doesn'st exist)
+function random_messages.set_interval() --Read the interval from minetest.conf(set it if it doesn'st exist)
 	MESSAGE_INTERVAL = tonumber(minetest.setting_get("random_messages_interval")) or random_messages.initialize()
-	end
+end
 
 function random_messages.read_messages()
 	local line_number = 1
 	local input = io.open(minetest.get_worldpath().."/random_messages","r")
 	if not input then
-	local output = io.open(minetest.get_worldpath().."/random_messages","w")
+		local output = io.open(minetest.get_worldpath().."/random_messages","w")
-io.close(output)
+		output:write("Blame the server admin! He/She has probably not edited the random messages yet.\n")
-	input = io.open(minetest.get_worldpath().."/random_messages","r")
+		output:write("Tell your dumb admin that this line is in (worldpath)/random_messages \n")
+		io.close(output)
+		input = io.open(minetest.get_worldpath().."/random_messages","r")
 	end
 	for line in input:lines() do
-	random_messages.messages[line_number] = line
+		random_messages.messages[line_number] = line
-	line_number = line_number + 1
+		line_number = line_number + 1
-	end
-io.close(input)
 	end
+	io.close(input)
+end
 
 function random_messages.display_message(message_number)
 	if random_messages.messages[message_number] then
-minetest.chat_send_all(random_messages.messages[message_number])
+		minetest.chat_send_all(random_messages.messages[message_number])
-	end
 	end
+end
 
-	function random_messages.show_message()
+function random_messages.show_message()
-random_messages.display_message(math.random(#random_messages.messages))
+	random_messages.display_message(math.random(#random_messages.messages))
-	end
+end
 
-	--When server starts:
+--When server starts:
-	random_messages.set_interval()
+random_messages.set_interval()
 random_messages.read_messages()
 
-	local TIMER = 0
+local TIMER = 0
 minetest.register_globalstep(function(dtime)
-		TIMER = TIMER + dtime;
+	TIMER = TIMER + dtime;
-		if TIMER > MESSAGE_INTERVAL then
+	if TIMER > MESSAGE_INTERVAL then
 		random_messages.show_message()
 		TIMER = 0
-		end
+	end
-		end)
+end)