1x3 Turtle Program

term.write("How far shall i dig?:  ")
distance = read()
print("Digging a 1x1 blocks for "..distance.." blocks...")


 for i = 1, distance
	if turtle.detect() == "minecraft.gravel" do do
	repeat
		turtle.dig()
		sleep(0.5)
		turtle.digUp()
		sleep(0.5)
	until turtle.forward
 do

 turtle.dig()
 turtle.forward()
 turtle.digDown()
 turtle.digUp()
end