News

function load(name)
    local file = fs.open(name,"r")
    local data = file.readAll()
    file.close()
    return textutils.unserialize(data)
end
function save(table,name)
    local file = fs.open(name,"w")
    file.write(textutils.serialize(table))
    file.close()
end
function tablelength(T)
  local count = 0
  for _ in pairs(T) do count = count + 1 end
  return count
end
function file_exists(name)
   local f=io.open(name,"r")
   if f~=nil then io.close(f) return true else return false end
end
oldnews = { }
if file_exists("news") == false then
    save(oldnews, "news")
end
while true do
    term.clear()
    term.setCursorPos(1,1)
    term.setTextColor(colors.blue)
    write("Write new News:")
    news = read()
    if news == "delete" then
        term.clear()
        term.setCursorPos(1,1)
        write("Which number you want to delete?")

        oldnews = load("news")
        for i = 1, tablelength(oldnews) do
            term.setCursorPos(1,2+i)
            print(i .. ": ".. oldnews[i])
        end
        number = read()
        table.remove(oldnews, tonumber(number))
        save(oldnews, "news")
    else
        oldnews = load("news")
        table.insert(oldnews,".".. news .. "/n")
        save(oldnews, "news")
    end
end