Mine

-- Simple Mining Program


-- Set the number of blocks to mine
local distanceforward = 0
local forward = 1 --Forward Facing
local distanceBackward = 0
local distanceLeft = 0
local distanceRight = 0
local distanceLimit = 10
local FuelAmount = 0


-- Check Fuel Level
--local function fuelcheck()
--    FuelAmount = turtle.getFuelLevel()
--    print("Fuel Level " .. FuelAmount)
--end

-- Fuel Up
local function Fuel()
    turtle.select(1)
    turtle.refuel(64)
    turtle.select(2)
    turtle.refuel(64)
    turtle.select(1)
end

local function Left()
    turtle.turnLeft()
end

local function Right()
    turtle.turnRight()
end
local function Up()
    turtle.up()
end
local function Down()
    turtle.down()
end



local function ClearAbove()
    if turtle.detectUp() then
        turtle.digUp()
    end
end

local function Clearforward()
    if turtle.detect() then
        turtle.dig()
    end
end



-- Function to ensure the path is clear
local function DigAll()
    while turtle.getFuelLevel()>50 do
            while distanceRight<10 do
                while distanceforward < distanceLimit  do
                    Left()
                    Clearforward()
                    Right()
                    Clearforward()
                    Right()
                    Clearforward()
                    Up()
                    Clearforward()
                    Left()
                    Left()
                    Clearforward()
                    Right()
                    Clearforward()
                    Down()
                    if forward == 1 then
                        Clearforward()
                        turtle.forward()
                        distanceforward = distanceforward+1
                    else
                        Clearforward()
                        turtle.forward()
                        distanceforward = distanceforward-1
                    end


                end
                if forward > 0  then
                    forward = 0 --Backwards
                    Right()
                    Clearforward()
                    ClearAbove()
                    distanceRight = distanceRight+1
                    turtle.forward()
                    Clearforward()
                    ClearAbove()
                    distanceRight = distanceRight+1
                    turtle.forward()
                    Clearforward()
                    ClearAbove()
                    distanceRight = distanceRight+1
                    turtle.forward()
                    Right()
                    Clearforward()
                    ClearAbove()
                    turtle.forward()
                    ClearAbove()
                    distanceforward = distanceforward-1
                else
                    forward = 1 --Forward
                    Left()
                    Clearforward()
                    ClearAbove()
                    distanceRight = distanceRight+1
                    turtle.forward()
                    Clearforward()
                    ClearAbove()
                    distanceRight = distanceRight+1
                    turtle.forward()
                    Clearforward()
                    distanceRight = distanceRight+1
                    turtle.forward()
                    ClearAbove()
                    Left()
                    Clearforward()
                    ClearAbove()
                    turtle.forward()
                    distanceforward = distanceforward+1
                end
            end
        if forward == 1 then
            Left()
            while distanceRight>0 do
                turtle.forward()
                distanceRight=distanceRight-1
            end
        else
            Right()
            while distanceRight>0 do
            turtle.forward()
            distanceRight=distanceRight-1
            end
            Left()
            while distanceforward > 0 do
                turtle.forward()
                distanceforward = distanceforward-1
            end
        end
    end
end

Fuel()
DigAll()