test

version = 7

function download(sCode, sFile, bCheckVer)
       sPath = shell.resolve( sFile )
       if fs.exists( sPath ) then
              fs.delete( sPath )
       end
       local response = http.get(
              "http://pastebin.com/raw.php?i="..textutils.urlEncode( sCode )
              )

       if response then
              local sResponse = response.readAll()
              response.close()

              local file = fs.open( sPath, "w" )
              file.write( sResponse )
              file.close()

              vers = nil

              if bCheckVer then
                     file = fs.open(sFile, "r")
                     vers = string.sub(file.readLine(), 11,11)
                     file.close()
                     fs.delete(sFile)
              end
              return tonumber( vers )
       else
              print( "Failed." )
       end
end

print("Oi, MEKIE!")

newversion = download("tSkz5fWh", "ver", true)

print("Current version: "..version)
print("Version available: "..newversion)

if version < newversion then
       print("New version available")
       print("Update? (y/n): ")
       conf = read()
       if conf == "y" then
              download("tSkz5fWh", shell.getRunningProgram(), false)
       else
              return
       end
else
       print("No update available")
end