Lua Tank Detection

local tank = peripheral.wrap("back")

local amount

function getTank(tankPeriph)
    local tableInfo = tankPeriph.getTankInfo()

    fluidRaw = nil
    fluidName = nil
    fluidAmount = nil
    fluidCapacity = nil

    for k,v in pairs(tableInfo) do
      fluidCapacity = v.capacity

      if v.contents then
        for i,w in pairs(v.contents) do
          if i == "rawName" then
            fluidRaw = w
          elseif i == "amount" then
            fluidAmount = w
          elseif i == "name" then
            fluidName = w
          end
        end
      end
    end

    return fluidRaw, fluidName, fluidAmount, fluidCapacity
end

--// Programme de control du tank

while true do

redstone.setOutput("front", false)
local fluidRaw, fluidName, fluidAmount, fluidCapacity = getTank(tank)

if fluidName then
    redstone.setOutput("front", true)
end
sleep (1)

end