savetunnel.lua

length = tonumber(arg[1])
if length == nil then
print("set length please")
exit()
end
if turtle.getFuelLevel() <= (3*length) then
print("not enough fuel")
end

require("movement")
for i=0,length do
move_to(0,i)
turtle.placeDown()
turtle.turnLeft()
turtle.place()
turtle.turnLeft()
turtle.place()
turtle.dig()
turtle.turnLeft()
turtle.place()
while not turtle.up() do turtle.digUp() end
turtle.placeUp()
turtle.place()
turtle.turnRight()
turtle.place()
turtle.dig()
turtle.turnRight()
turtle.place()
turtle.turnRight()
turtle.down()
end
move_to(0,0)