RobcOS Updater

term.clear()
term.setCursorPos(1,1)

local currentVer = "1.1.3"

local function save(table,name)
 local file = fs.open(name,"w")
 file.write(textutils.serialize(table))
 file.close()
end

local function load(name)
 local file = fs.open(name,"r")
 local data = file.readAll()
 file.close()
 return textutils.unserialize(data)
end

function LoadVers()
 local config = load("RobcOS_ticket")
   while true do
    if config == nil then
        return "unknown"
    elseif #config < 3 then
        return "old"
    else
        return config[3]
   end
 end
end

local function Update()
    fs.delete("RobcOS")
    shell.run("pastebin", "get", "DHuY3Uzi", "RobcOS")
    shell.run("pastebin", "get", "sBSdhnyz", "codes")
    fs.delete("login")
    shell.run("pastebin", "get", "yYq8KmeY", "login")
    fs.delete("setup")
    shell.run("pastebin", "get", "FwBCLcPA", "setup")
    fs.delete("startup")
    shell.run("pastebin", "get", "XkSbSXYL", "startup")
    shell.run("pastebin", "get", "GZZEJeCT", "termlink")
    shell.run("pastebin", "get", "sMbj2VXL", "TextEdit")
    shell.run("pastebin", "get", "5YWfPd8Z", "surface")
    shell.run("pastebin", "get", "86rLt5Yn", "filebrowse")
    shell.run("pastebin", "run", "HnUEXVKt")
    os.sleep(1)
end


function UpdateChecker()
    while true do
    if LoadVers() == currentVer then
        term.write("Up to date.")
        os.sleep(1)
        shell.run("RobcOS")
        break
    else
        term.write("Downloading Update...")
        local ticket = load("RobcOS_ticket")
        table.insert(ticket, 3, currentVer)
        save(ticket, "RobcOS_ticket")
        Update()
        term.clear()
        term.setCursorPos(1,1)
        shell.run("RobcOS")
        break
    end
 end
end



UpdateChecker()