-- ==============================
-- Auto-update
-- Downloading and replace running file
-- ==============================
K_VERSION = 1.000 -- Version of program. Need for auto-update
local source = "http://pastebin.com/raw.php?i=dsQ8c2UR" -- Source code of programm

local function autoUpdate()
  -- Get version of last
  if not http then return end
  local httpResponce = http.get(source)
  local allText = httpResponce.readAll()
  httpResponce.close()
  
  local newVersion = 0
  local _,verPos = string.find(allText, 'K_VERSION *= *')
  if verPos then 
    newVersion = tonumber(string.match(allText, '%d+[%.?%d*]*', verPos+1))
  end
  
  -- Compare and replace
  if K_VERSION < newVersion then
    local sFile = shell.getRunningProgram()
    local f = fs.open(sFile, "w")
    f.write(allText)
    f.close()
    os.reboot()
  end
end

autoUpdate()