startup

function periUptd()

  tanks = {}
  tanks[1] = peripheral.wrap("thermalexpansion_tank_3")
  tanks[2] = peripheral.wrap("thermalexpansion_tank_4")
  tanks[3] = peripheral.wrap("thermalexpansion_tank_5")
  tanks[4] = peripheral.wrap("thermalexpansion_tank_6")
  tanks[5] = peripheral.wrap("thermalexpansion_tank_7")

end

periUptd()
glass = peripheral.wrap("left")

Xpos = 5
Ypos = 5
color = 0xff8800


function tankInfo()

  num = 1
  tankNum = 0
  while true do
    if tanks[num] == nil then
      break
    end
    num = num+1
    tankNum = tankNum+1
  end

  tanksInfo = {}

  for num = 1, tankNum do
    tanksInfo[num] = tanks[num].getTankInfo()
  end

end

function clear()
  term.setCursorPos(1, 1)
  term.clear()
end

tankInfo()

function tanksCap()
  capacity = 0

  for num = 1, tankNum do
    capacity = capacity + tanksInfo[num][1].capacity
  end

  capacity = capacity / 1000
end

function tanksAmo()
  amount = 0

  for num = 1, tankNum do
    if tanksInfo[num][1].contents then
      amount = amount + tanksInfo[num][1].contents.amount
    end
  end

  amount = amount / 1000
end


while true do

  periUptd()

  tankInfo()

  tanksCap()

  tanksAmo()

  clear()
  print(tankNum)
  print(amount .. "/" .. capacity)
  glass.clear()
  glass.addText(Xpos, Ypos, amount .. "/" .. capacity, color)
  glass.sync()
  sleep(0.25)

end