diff --git a/mods/WorldEdit/worldedit/init.lua b/mods/WorldEdit/worldedit/init.lua
index 34c98200..ab7af21e 100755
--- a/mods/WorldEdit/worldedit/init.lua
+++ b/mods/WorldEdit/worldedit/init.lua
@@ -23,7 +23,7 @@ end
 local path = minetest.get_modpath(minetest.get_current_modname())
 
 local function load_module(path)
-	local file = io.open(path)
+	local file = io.open(path,"r")
 	if not file then return end
 	file:close()
 	return dofile(path)
diff --git a/mods/WorldEdit/worldedit/manipulations.lua b/mods/WorldEdit/worldedit/manipulations.lua
index e76cf701..e40a8829 100755
--- a/mods/WorldEdit/worldedit/manipulations.lua
+++ b/mods/WorldEdit/worldedit/manipulations.lua
@@ -503,8 +503,8 @@ function worldedit.orient(pos1, pos2, angle)
 	worldedit.keep_loaded(pos1, pos2)
 
 	local count = 0
-	local get_node, get_meta, swap_node = minetest.get_node,
-			minetest.get_meta, minetest.swap_node
+	local set_node, get_node, get_meta, swap_node = minetest.get_node,
+			minetest.get_node minetest.get_meta, minetest.swap_node
 	local pos = {x=pos1.x, y=0, z=0}
 	while pos.x <= pos2.x do
 		pos.y = pos1.y
diff --git a/mods/WorldEdit/worldedit_commands/init.lua b/mods/WorldEdit/worldedit_commands/init.lua
index 1522ecd0..0212bf09 100755
--- a/mods/WorldEdit/worldedit_commands/init.lua
+++ b/mods/WorldEdit/worldedit_commands/init.lua
@@ -11,9 +11,9 @@ if minetest.place_schematic then
 end
 
 dofile(minetest.get_modpath("worldedit_commands") .. "/mark.lua")
-dofile(minetest.get_modpath("worldedit_commands") .. "/safe.lua"); safe_region = safe_region or function(callback) return callback end
+local safe_region, check_region = dofile(minetest.get_modpath("worldedit_commands") .. "/safe.lua")
 
-local get_position = function(name) --position 1 retrieval function for when not using `safe_region`
+local function get_position(name) --position 1 retrieval function for when not using `safe_region`
 	local pos1 = worldedit.pos1[name]
 	if pos1 == nil then
 		worldedit.player_notify(name, "no position 1 selected")
@@ -21,7 +21,7 @@ local get_position = function(name) --position 1 retrieval function for when not
 	return pos1
 end
 
-local get_node = function(name, nodename)
+local function get_node(name, nodename)
 	local node = worldedit.normalize_nodename(nodename)
 	if not node then
 		worldedit.player_notify(name, "invalid node name: " .. nodename)
@@ -30,7 +30,7 @@ local get_node = function(name, nodename)
 	return node
 end
 
-worldedit.player_notify = function(name, message)
+function worldedit.player_notify(name, message)
 	minetest.chat_send_player(name, "WorldEdit -!- " .. message, false)
 end
 
@@ -56,8 +56,8 @@ worldedit.normalize_nodename = function(nodename)
 	return nil
 end
 
---determines the axis in which a player is facing, returning an axis ("x", "y", or "z") and the sign (1 or -1)
-worldedit.player_axis = function(name)
+-- Determines the axis in which a player is facing, returning an axis ("x", "y", or "z") and the sign (1 or -1)
+function worldedit.player_axis(name)
 	local dir = minetest.get_player_by_name(name):get_look_dir()
 	local x, y, z = math.abs(dir.x), math.abs(dir.y), math.abs(dir.z)
 	if x > y then
@@ -70,6 +70,15 @@ worldedit.player_axis = function(name)
 	return "z", dir.z > 0 and 1 or -1
 end
 
+function worldedit.mkdir(path)
+	if minetest.mkdir then
+		minetest.mkdir(path)
+	else
+		os.execute('mkdir "' .. path .. '"')
+	end
+end
+
+
 minetest.register_chatcommand("/about", {
 	params = "",
 	description = "Get information about the mod",
@@ -802,10 +811,6 @@ minetest.register_chatcommand("/orient", {
 		worldedit.player_notify(name, count .. " nodes oriented")
 	end,
 	function(name, param)
-		if param == nil then
-			minetest.log("error","No parameters given to /orient WE's command!")
-			return
-		end
 		local found, _, angle = param:find("^([+-]?%d+)$")
 		if found == nil then
 			worldedit.player_notify(name, "invalid usage: " .. param)
@@ -880,20 +885,22 @@ minetest.register_chatcommand("/save", {
 			worldedit.player_notify(name, "invalid usage: " .. param)
 			return
 		end
-		if not string.find(param, "^[%w \t.,+-_=!@#$%%^&*()%[%]{};'\"]+$") then
-			worldedit.player_notify(name, "invalid file name: " .. param)
+		if not param:find("^[a-zA-Z0-9_%-.]+$") then
+			worldedit.player_notify(name, "Disallowed file name: " .. param)
 			return
 		end
 
-		local result, count = worldedit.serialize(worldedit.pos1[name], worldedit.pos2[name])
+		local result, count = worldedit.serialize(worldedit.pos1[name],
+				worldedit.pos2[name])
 
 		local path = minetest.get_worldpath() .. "/schems"
+		-- Create directory if it does not already exist
+		worldedit.mkdir(path)
+
 		local filename = path .. "/" .. param .. ".we"
-		filename = filename:gsub("\"", "\\\""):gsub("\\", "\\\\") --escape any nasty characters
-		os.execute("mkdir \"" .. path .. "\"") --create directory if it does not already exist
 		local file, err = io.open(filename, "wb")
 		if err ~= nil then
-			worldedit.player_notify(name, "could not save file to \"" .. filename .. "\"")
+			worldedit.player_notify(name, "Could not save file to \"" .. filename .. "\"")
 			return
 		end
 		file:write(result)
@@ -1041,24 +1048,29 @@ minetest.register_chatcommand("/luatransform", {
 
 minetest.register_chatcommand("/mtschemcreate", {
 	params = "<file>",
-	description = "Save the current WorldEdit region using the Minetest Schematic format to \"(world folder)/schems/<filename>.mts\"",
+	description = "Save the current WorldEdit region using the Minetest "..
+		"Schematic format to \"(world folder)/schems/<filename>.mts\"",
 	privs = {worldedit=true},
 	func = safe_region(function(name, param)
 		if param == nil then
 			worldedit.player_notify(name, "No filename specified")
 			return
 		end
+		if not param:find("^[a-zA-Z0-9_%-.]+$") then
+			worldedit.player_notify(name, "Disallowed file name: " .. param)
+			return
+		end
 
 		local path = minetest.get_worldpath() .. "/schems"
-		local filename = path .. "/" .. param .. ".mts"
-		filename = filename:gsub("\"", "\\\""):gsub("\\", "\\\\") --escape any nasty characters
-		os.execute("mkdir \"" .. path .. "\"") --create directory if it does not already exist
 
-		local ret = minetest.create_schematic(worldedit.pos1[name], worldedit.pos2[name], worldedit.prob_list[name], filename)
+		local filename = path .. "/" .. param .. ".mts"
+		local ret = minetest.create_schematic(worldedit.pos1[name],
+				worldedit.pos2[name], worldedit.prob_list[name],
+				filename)
 		if ret == nil then
-			worldedit.player_notify(name, "failed to create Minetest schematic", false)
+			worldedit.player_notify(name, "Failed to create Minetest schematic", false)
 		else
-			worldedit.player_notify(name, "saved Minetest schematic to " .. param, false)
+			worldedit.player_notify(name, "Saved Minetest schematic to " .. param, false)
 		end
 		worldedit.prob_list[name] = {}
 	end),
diff --git a/mods/WorldEdit/worldedit_commands/safe.lua b/mods/WorldEdit/worldedit_commands/safe.lua
index c6751c13..909554a9 100755
--- a/mods/WorldEdit/worldedit_commands/safe.lua
+++ b/mods/WorldEdit/worldedit_commands/safe.lua
@@ -1,7 +1,7 @@
 local safe_region_callback = {}
 local safe_region_param = {}
 
-check_region = function(name, param)
+function check_region(name, param)
 	local pos1, pos2 = worldedit.pos1[name], worldedit.pos2[name] --obtain positions
 	if pos1 == nil or pos2 == nil then
 		worldedit.player_notify(name, "no region selected")
@@ -12,7 +12,7 @@ end
 
 --`callback` is a callback to run when the user confirms
 --`nodes_needed` is a function accepting `param`, `pos1`, and `pos2` to calculate the number of nodes needed
-safe_region = function(callback, nodes_needed)
+function safe_region(callback, nodes_needed)
 	--default node volume calculation
 	nodes_needed = nodes_needed or check_region
 
@@ -63,3 +63,5 @@ minetest.register_chatcommand("/n", {
 		safe_region_callback[name], safe_region_param[name] = nil, nil
 	end,
 })
+
+return safe_region, check_region