stripMineProgram v4

--stripMineProgram v4
--Question
	g = turtle.getFuelLevel()
	term.write("Current fuel is ")
	print(g)
    term.write("How many blocks forward do you wish to mine?")
    i = tonumber(read())
    write(i)
    write(" blocks forward, coming right up! Working...")
--CheckingFuel

		if g <= 300 then
			term.write("Do you want to refuel using first slot items?")
			k = read()
			if k == "Yes" then
				t = true
			elseif k == "Y" then
				t = true
			elseif k == "yes" then
				t = true
			elseif k == "y" then
				t = true
			else
				exit()
			end
		end
--digProcess
for o = 1,i do
    turtle.digUp()
    turtle.up(1)
    turtle.dig()
    p = turtle.detect()
    while p == true do
        turtle.dig()
        p = turtle.detect()
    end
    p = turtle.detectDown()
    if p == true then
        turtle.digDown()
    end
    turtle.down(1)
    turtle.dig()
    turtle.forward(1)
end
term.write("Presto!!")