tunnel.lua

local util=dofile("/turtle_utils.lua")
local args={...}
if args==nil then
    print("you've gotta tell me how far to tunnel lol")
    return
end
local i=0
for i=1,tonumber(args[1]) do
    if turtle.getFuelLevel()<20 then
        turtle.select(util.find("minecraft:coal"))
        turtle.refuel(64)
    end
    util.dig()
    util.forward(1)
    if not turtle.inspectDown() then
        turtle.select(util.find("minecraft:cobblestone") or util.find("midnight:nightstone") or util.find("minecraft:tuff"))
        turtle.placeDown()
    end
    turtle.turnLeft()
    for _=1,2 do
        util.dig()
        util.digup()
        turtle.up()
    end
    util.dig()
    util.left(2)
    for _=1,2 do
        util.dig()
        turtle.down()
    end
    util.dig()
    turtle.turnLeft()
end
util.left(2)
util.forward(tonumber(args[1]))
turtle.digDown()
turtle.down()
turtle.digDown()
local slot=util.find("minecraft:cobblestone") or util.find("midnight:nightstone")
while slot do
    turtle.select(slot)
    turtle.dropDown(64)
    slot=util.find("minecraft:cobblestone") or util.find("midnight:nightstone")
end
turtle.select(1)
turtle.suckDown(16)
turtle.up()
turtle.placeDown()