View difference between Paste ID: 52s3FC8u and 4jEFYW3F

 -- Passlock v0
 -- (C) 2012 User 'Advert' at http://www.computercraft.info/forums2/
 -- X11/mit licence (use/modify at your will, but please, leave credit where due)
 
 -- Settings.
 local dConfig = {} -- Marking defaults, so we can revert to them easily.
 
 do -- Because I like do statements.
 	dConfig["sUserPassword"]	= "open"
 	dConfig["sRootPassword"]	= "2good4u"
 	dConfig["nOpenTime"]		= 3 -- Number of seconds to keep the door open.
 	dConfig["nUserPassFailLock"]= 3 -- Number of user password fails before lock. (0 = disable, 1 = 1 fail, 2 = 2 fails, etc.) Reset at success (root can still login)
 	dConfig["nUserPassFailLockDuration"] = 15 -- Number of seconds to lock after nUserPassFailLock password fails
 	dConfig["bRootForceOpen"] = false -- Door is forced open by Root user.
 	dConfig["bLockAtStartup"] = true -- This will lock the computer for nUserPassFailLockDuration seconds at startup, to prevent bypassing of nUserLockPassFailLock.
 	dConfig["sRedstoneSide"] = "back" -- The side the redstone is at.
 	-- Stuff not stored here: door state, etc.
 end
 -- small helper function ;_;
 local function copyTable(o)
 	-- Will simply copy a table, non-recursively.
 	local t = {}
 	for k, v in pairs(o) do t[k] = v end
 	return t
 end
 
 local config = copyTable(dConfig)
 local bRootExit = false
 local bDoorState = true -- true = locked.
 local nUserAttempts = 0
 local nUserLastAttempt = 0
 -- Misc functions
 
 local function mergeTable(t1, t2)
 	-- This function puts everyting in t2 into t1.
 	for k, v in pairs(t2) do
 		t1[k] = v
 	end
 	return t1 -- We return t1 because that's the table you'll want afterwards (even though it doesn't make a new table)
 end
 
 -- Major functions
 -- Making functions local (I don't like messing up _G)
 local renderDisplay, checkEvents, loadFromFile, saveToFile
 local checkDoorTimer, checkUserLockTimer
 -- Core loop components
 function renderDisplay()
 	-- Frame timer
 	os.startTimer(0.2) -- 5 fps is good enough, can even do less, but meh.
-function checkEvents()
+	-- Clean the terminal
 	term.clear()
-	local event, p1, p2 = os.pullEvent()
+
 
-	print("Event: ", event, "\n p1 & p2: ", p1, ",", p2)
+
 	--TODO
 end
 
 --
 function checkEvents(event, p1, p2)
 	-- Used in our loop to check for new OS events.
 	if event == "char" then
 		if p1 == "x" then
 			error("User pressed 'x'. 'x' is a bad key to press.")
 		elseif p1 == "s" then
 			saveToFile()
 			loadFromFile()
 		end
 	end
 
 end
 
 function checkDoorTimer()
 	--TODO
 end
 
 function checkUserLockTimer()
 	--TODO
 end
 
 -- Door toggler.
 function toggleDoor(bState)
 	-- This will toggle the door, or set it's state to bState
 	if bState ~= nil then
 		bDoorState = bState
 	else
 		bDoorState = not bDoorState -- not negates the state in boolean: true, any data not nil -> false; false, nil -> true
 	end
 	return bDoorState -- Good practice to return result, in this case the door's state.
 end
 
 
-		local err, res = pcall(dofile, "passlock-data") -- Yes, I'm doing this the easy and hard way.
+
-		if err then
+
 do -- This just to make the code neater, really. (And so I can easily collapse the code in ScITE)
 
 	function loadFromFile()
 		if not fs.exists("passlock-data") then return end -- We can't load nothing.
 		local err, res = pcall(function() return loadfile("passlock-data")() end) -- Yes, I'm doing this the easy and hard way.
 		if not err then
 			print("Error loading configuration: \n", res)
 			print("Enter to continue...")
-	local saveAs = {}
+
-	saveAs.boolean = [[config[%q] = %s]]
+
-	saveAs.string = [[config[%q] = %q]]
+
-	saveAs.number = [[config[%q] = %d]]
+
 
 	-- Saving helper format strings
 	local saveHelper = {}
 	saveHelper.boolean = [[config[%q] = %s]]
 	saveHelper.string = [[config[%q] = %q]]
-		local sData = [[local config = {} -- This file, generated by Passlock. Edit at your own risk.\n]]
+	saveHelper.number = [[config[%q] = %d]]
 
 	-- Saving function
 	function saveToFile()
 		-- This is the 'harder' part of the two :(
 
 		local sData = [[local config = {} -- This file, generated by Passlock. Edit at your own risk.]] .. "\n"
 
 		for k, v in pairs(config) do
 			local sDataType = type(v)
-				sData = sData .. string.format(sSaveHelper, k, v) .. "\n"
+
 			if not sSaveHelper then
 				-- We have problem, let's just print it, and continue without saving it.
 				print("Warning: (saveToFile) unknown data type, in key: " .. k)
 			else
 				-- No errors, save it.
 				sData = sData .. string.format(sSaveHelper, k, tostring(v)) .. "\n"
 			end
 		end
 
-		local hHandle = fs.open("passlock-data", "w")
+
 		-- Delete and save.
 		if fs.exists("passlock-data") then
 			fs.delete("passlock-data")
 		end
 		local hHandle = io.open("passlock-data", "w")
 		if not hHandle then
 			-- We're pissed, let's error.
 			error("Unable to open file handle; call to saveToFile", 2)
 		end
 		hHandle:write(sData)
 		hHandle:close()
 	end
 end
 
 
 -- Looping function
-		checkDoorTimer() -- Lock the door if it has been open long enough
+
-		checkUserLockTimer() -- Allow user to login again, if enough time has passed.
+
-		--renderDisplay() -- We need to see something.
+
-		checkEvents() -- Get our user input, or yet another timer event for updating the screen.
+
 		end
 		local event, p1, p2 = os.pullEvent()
 		print("Event: ", event, "\n p1 & p2: ", p1, ",", p2)
 		if event == "timer" then
 			checkDoorTimer() -- Lock the door if it has been open long enough
 			checkUserLockTimer() -- Allow user to login again, if enough time has passed.
 			renderDisplay() -- Moved inside checkEvents, to provide a static #FPS (i.e typing will cause an overload of timers)
 		end
 		checkEvents(event, p1, p2) -- Get our user input, or yet another timer event for updating the screen.
 		-- Doesn't seem like much, does it? D:
 	end
 end
 
-	if err ~= true then
+
-		print("error: ", string.format("%q", res))
+-- Startup function, one-time.
-		print("enter to continue... (ctrl-t is SUPER EFFECTIVE right now!)")
+function startup()
-		read()
+	loadFromFile() -- Loads config if it exists.
 end
 
 -- Loop
 while true do
 	local err, res = pcall(doImportantStuff)
 	if bRootExit then -- Quit if user logged in as Root wishes to.
 		break
 	end
 	if not err then
 		if res ~= "Terminated" then
 			print("error: ", string.format("%q", res))
 			print("enter to continue... (ctrl-t is SUPER EFFECTIVE right now!)")
 			read()
 		end
 	end
 end