Ekdohibs

local CRAFT_TABLE_SIZE = 4

local update_craft_table_inv = function(inv)
	inv:set_stack("craftpreview", 1, minetest.get_craft_result({method = "normal", items = inv:get_list("craft"), width = CRAFT_TABLE_SIZE}).item)
end

local update_craft_table = function(pos)
	local meta = minetest.get_meta(pos)
	local inv = meta:get_inventory()
	update_craft_table_inv(inv)

Ekdohibs

local achievements_file=minetest.get_worldpath() .. "/achievements"

function read_file(filename)
	local f = io.open(filename, "r")
	if f==nil then return {} end
    	local t = f:read("*all")
    	f:close()
	if t=="" or t==nil then return {} end
	return minetest.deserialize(t)
end

Ekdohibs

local achievements_file=minetest.get_worldpath() .. "/achievements"

function read_file(filename)
	local f = io.open(filename, "r")
	if f==nil then return {} end
    	local t = f:read("*all")
    	f:close()
	if t=="" or t==nil then return {} end
	return minetest.deserialize(t)
end