Boot Options Daanos

function one()
shell.run("nboot")
end
function two()
shell.run("sboot")
end
local menuOptions = {"Normal-Boot", "Lightning(NoUpdate)-Boot"}
local termX, termY = term.getSize()
local selected = 1
local strSeperator = string.rep(" ",5)
function centerText(text, termY)
term.setCursorPos(termX/2-#text/2, termY)
term.write(text)
end
function start()
while true do
  term.clear()
  local strMenuLine = "|"
  for i,v in ipairs(menuOptions) do
   if i == selected then
        strMenuLine = strMenuLine..strSeperator.."["..v.."]"
   else
        strMenuLine = strMenuLine..strSeperator.." "..v.." "
   end
   strMenuLine = strMenuLine..strSeperator.."|"
  end
  centerText("+"..string.rep("-",(#strMenuLine-2)).."+",1)
  centerText(strMenuLine,2)
  centerText("+"..string.rep("-",(#strMenuLine-2)).."+",3)
  local id, key = os.pullEvent()
  if id == "key" then
   if key == 205 then
        selected = selected + 1
        if selected > #menuOptions then
         selected = 1
        end
   elseif key == 203 then
        selected = selected - 1
        if selected < 1 then
         selected = #menuOptions
        end
   elseif key == 28 then
        return selected
   end
  end
end
end
x = start()
print()
if x == 1 then
one()
end
if x == 2 then
two()
end