CCRemote

function checkTags(toCheck)
  comon = 0
  for i=1,#toCheck do
    for o=1,#tags do
      if tags[o] == toCheck[i] then
        comon = comon + 1
      end
    end
  end
  if comon >= #toCheck then
    return true
  else
    return false
  end
end

function checkUpdate()
  local id, local func, local tags, local filename, local filedata = rednet.receive()
  if type(tags) == "table" then
    if checkTags(tags) then
      if func == "Update" then
        file = fs.open(filename, "w")
        file.write(filedata)
        file.close()
      elseif func == "Delete" then
        fs.delete(filename)
      elseif func == "Shutdown" then
        os.shutdown()
      end
    end
  end
end

while true do
  checkUpdate()
end