Advanced Energy Reading

--Change the side to correspond to the side of the Info Reader
m = peripheral.wrap("right")

local energy = {}
local names = {}
local current = 0
local max = 0

local function round(num, idp)
  local mult = 10^(idp or 0)
  return math.floor(num * mult + 0.5) / mult
end

for i = 1,9 do
  local id,state,title,data = m.get(i)
  --comment out the "title = i" line if your cards have names
  title = i
  names[i] = title
  energy[i] = data
end


for l = 1,#energy do
  for i,j in pairs(energy[l]) do
    if i == "energyL" then
      print("Storage "..names[l]..": "..j)
      current = current + j
    elseif i == "maxStorageL" then
      max = max + j
    end

  end
end

local percent = current/max*100

print("Total: "..tostring(current).." / "..tostring(max))
print("Percentage Full: "..round(percent, 0).."%")