[ComputerCraft] [Turtle] Maze Solver

turtle.select(1) -- This uses the "Right Hand" rule, so don't expect it to always work
print("Make sure to put a fuel source in slot 1")
print("Press any key to continue...")
sleep(0.1)
os.pullEvent("char")

function clr()
    term.clear()
    term.setCursorPos(1,1)
end

function refuel()
    if turtle.getFuelLevel() == 0 then
        if turtle.getItemCount() > 0 then
            turtle.refuel(1)
            return true
        else
            return false
        end
    else
        return true
    end
end

function move()
    turtle.turnRight()
    local count = 0
    while turtle.detect() do
        if count ~= 4 then
            turtle.turnLeft()
            count = count + 1
        else
            return false
        end
    end
    if turtle.forward() then
        return true
    else
        return false
    end
end

clr()
print("Press ctrl+t to terminate the program.")
while true do
    if refuel() then
        if not move() then
            break
        end
    else
        break
    end
end