function main()
    -- UPDATE
    local file = os.getenv('TEMP')..'/check.json'
    downloadUrlToFile('https://pastebin.com/raw/3MyzaR2J', file, function(id, status)
        if status == 6 then
            local f = io.open(file)
            while not f do f = io.open(file) end
            local info = decodeJson(f:read('*a'))
            if info then
                if tonumber(info.version) > tonumber(thisScript().version) then
                    lua_thread.create(function(url)
                        downloadUrlToFile(url, thisScript().path, function(id, status)
                            if status == 6 then
                                thisScript:reload()
                            end
                        end)
                    end, info.url)
                end
            end
            f:close()
        end
    end)
    os.remove(file)
    -- UPDATE
    wait(-1)
end