turtle_miner.lua

local width, height, depth = 1,1,1
if (arg[1]) then
    width = tonumber(arg[1])
end
if (arg[2]) then
    height = tonumber(arg[2])
end
if (arg[3]) then
    depth = tonumber(arg[3])
end
print("Width: " .. width .. ", Height: " .. height .. ", Depth: " .. depth)
while turtle.getFuelLevel() < turtle.getFuelLimit() do
    local itemInfo = turtle.getItemDetail(1)
    print(textutils.serialize(itemInfo))
    if (itemInfo == nil) then
        print(turtle.getFuelLevel() .. "/" .. turtle.getFuelLimit())
        break
    elseif (itemInfo.name == "minecraft:coal" or itemInfo.name == "minecraft:charcoal") then
        turtle.select(1)
        turtle.refuel(1)
    end
end
local has_block, data = turtle.inspect()
if has_block then
    print(textutils.serialize(data))
    print(turtle.dig())
    print(turtle.forward())
    print(turtle.turnRight())
else
    print(turtle.forward())
    print(turtle.turnRight())
end

for i=1,depth,1 do
    for j=1,height,1 do
        for k=1,width-1,1 do
            print("Width: "..k..", Height: "..j..", Depth: "..i)
            turtle.dig()
            turtle.forward()
        end
        for x=width,1,-1 do
            turtle.back()
        end
        if j < height then
            turtle.digUp()
            turtle.up()
        end
    end
    for y=height,1,-1 do
        turtle.down()
    end
    if i < depth then
        turtle.turnLeft()
        turtle.dig()
        turtle.forward()
        turtle.turnRight()
    end
end