Turtle Cutter

args = { ... }

function forward()
    while (true) do
        if(not(turtle.detect())) then
            turtle.attack()
            turtle.forward()
            return
        end
        turtle.attackUp()
        turtle.digUp()

        turtle.up()
    end
end

function checkBlockToCut()
    for i=1,args[2] do
        turtle.select(i)
        if(turtle.compareDown() or not(turtle.detectDown())) then
            return true
        end
    end
    return false
end

function cut()
    local downSteps = 0
    while(checkBlockToCut()) do
        turtle.attackDown()
        turtle.digDown()

        turtle.down()
        -- downSteps = downSteps + 1
    end
    -- for i=1,downSteps do
    --  turtle.up()
    -- end
end

function run()
    while (true) do
        turtle.turnRight()
        for i=1,args[1]-1 do
            cut()
            forward()
        end
        cut()
        turtle.turnLeft()
        forward()

        turtle.turnLeft()
        for i=1,args[1]-1 do
            cut()
            forward()
        end
        cut()
        turtle.turnRight()
        forward()
    end
end

function init()
    if (#args ~= 2) then
        print("Usage: cutter [cutter width] [blocks to cut]")
        os.exit()
    end
    -- cutterWidth = args[1]
    -- blocksToCut = args[0]
end

function main()
    init()
    run()
end

main()