CC EnderTank Scanner

starttime = os.clock()

local periList = peripheral.getNames()
local enderTank = nil
local enderChest = nil
for i = 1, #periList do
    if peripheral.getType(periList[i]) == "ender_tank" and enderTank == nil then
        enderTank = peripheral.wrap(periList[i])
        print("EnderTank mounted as "..periList[i])
    elseif peripheral.getType(periList[i]) == "ender_chest" and enderChest == nil then
        enderChest = peripheral.wrap(periList[i])
        print("EnderChest mounted as "..periList[i])
    end
end

local colorindex = {
  colors.white,
  colors.orange,
  colors.magenta,
  colors.lightBlue,
  colors.yellow,
  colors.lime,
  colors.pink,
  colors.gray,
  colors.lightGray,
  colors.cyan,
  colors.purple,
  colors.blue,
  colors.brown,
  colors.green,
  colors.red,
  colors.black
}
local colornames = {
"White",
"Orange",
"Magenta",
"LightBlue",
"Yellow",
"Lime",
"Pink",
"Gray",
"GightGray",
"Cyan",
"Purple",
"Blue",
"Brown",
"Green",
"Red",
"Black"}

print("Ready to scan")

local function setTank(c1,c2,c3)
    -- for some reason, ender tanks set thir colors backwards
    if enderTank ~= nil then enderTank.setColors(c3,c2,c1) end
end
local function setChest(c1,c2,c3)
    if enderChest ~= nil then enderChest.setColors(c1,c2,c3) end
end
local function tankInfo()
    -- available keys are rawName (localized name), amount (mB), capacity (mB), name (internal name), id (liquid id)
    return enderTank.getTankInfo('')[1]
end

-- available keys for chest.getStackInSlot(n) are:
-- |- name (Sign)
-- |- rawName (item.sign)
-- |- id
-- |- dmg (0)
-- |- maxSize (16 - max size of stack)
-- |- ench(table)
--      Empty for sign
--      "Efficiency V"
-- |- qty

local function niceColorName(a,b,c)
    return colornames[a]..' '..colornames[b]..' '..colornames[c]
end

f = fs.open('_tanks','w')
numcols = 16
for a = 1, 1 do
    for b = 1, 1 do
        for c = 1, numcols do
            setTank(colorindex[a], colorindex[b], colorindex[c])
            setChest(colorindex[a], colorindex[b], colorindex[c])

            tankData = tankInfo()
            if tankData.rawName ~= nil then
                entry = "Tank "..niceColorName(a,b,c).." contains "..tankData.amount.." mB of "..tankData.rawName
                print(entry)
                f.writeLine(entry)
            end

            chestHasAnything = false
            for invitr = 1, enderChest.getInventorySize() do
                inv = enderChest.getStackInSlot(invitr)
                if inv ~= nil then
                    if not chestHasAnything then
                        entry = "Chest "..niceColorName(a,b,c).." contains:"
                        print(entry)
                        f.writeLine(entry)
                        -- don't print this message again
                        chestHasAnything = true
                    end

                    entry = "x"..inv.qty.." "..inv.name.."("..inv.id..":"..inv.dmg..")"
                    print(entry)
                    f.writeLine(entry)

                    for k,v in pairs(inv.ench) do
                        entry = "|- "..v
                        print(entry)
                        f.writeLine(entry)
                    end

                end
            end
        end
    end
end
f.close()
print(string.format("elapsed time: %.2f\n", os.clock() - starttime))