display.lua

--[[

TO EDIT THE MESSAGE, YOU WANT TO EDIT
THE "message.txt" FILE!

]]--

--settings
local filename = "message.txt"
local monitor_side = "back"


function display()
mon = peripheral.wrap(monitor_side)

file = fs.open(filename, "r")
s = file:readAll()
file.close()

local t = {}
local i = 0
table.insert(t, 0)
while true do
  i = string.find(s, "\n", i+1)
  if i == nil then break end
  table.insert(t, i)
end
mon.clear()
local h=0
local x, _ = mon.getSize()
for i = 1, (#t-1) do
  h=h+1
  mon.setCursorPos(1,h)
  local st = string.sub(s, t[i]+1, t[i+1])
  if(#st > x)then
    fst = string.sub(st, 1, x-1)
    sst = string.sub(st, x, string.len(st))
    mon.write(fst .. "-")
    h = h +1
    mon.setCursorPos(1,h)
    mon.write(sst)
  else
    mon.write(st)
  end
end

end

while(true)do
  stat, err = pcall(display)
  --if(stat == true)then
    --break
  --end
  print(err)

  sleep(5)
end