medash

me = peripheral.wrap("right")
mon = peripheral.wrap("left")
low = 32
local meItems = {
[1] = {"Yellorium","BigReactors:BRIngot","0"}
}

function checkMe(checkName, name)
  melist = me.getAvailableItems()
  for a = 1, #melist do
    itemName = melist[a].fingerprint.id .. melist[a].fingerprint.dmg
    value = tostring(melist[a].size)
    if itemName == checkName then
      centerT(name, row+2, colors.black , colors.blue , "left")
      if tonumber(value) <= low then
        centerT(value, row+2, colors.black , colors.red , "right")
      else
        centerT(value, row+2, colors.black , colors.green , "right")
      end
    end
    row = row+1
  end
end

function checkTable()
  clearScreen()
  row = 1
  for i = 1, #meItems do
    checkName = meItems[i][2] .. meItems[i][3]
    name = meItems[i][1]
    checkMe(checkName, name)
  end
end

function clearScreen()
  mon.setBackgroundColor(colors.black)
  mon.clear()
  mon.setCursorPos(1,1)
  centerT(" CMR v1.0 ",1,colors.blue , colors.white , "head")
end

function centerT(text,line,txtback,txtcolor,pos)
  print("Updating:" ..text)
  monX,monY = mon.getSize()
  mon.setBackgroundColor(txtback)
  mon.setTextColor(txtcolor)
  length = string.len(text)
  dif = math.floor(monX-length)
  x = math.floor(dif/2)
  if pos == "head" then
    mon.setCursorPos(x+1, line)
    mon.write(text)
  elseif pos == "left" then
    mon.setCursorPos(2,3)
    mon.write(text)
  elseif pos == "right" then
    mon.setCursorPos(monX-length, 3)
    mon.write(text)
  end
end

while true do
checkTable()
sleep(10)
end