Waste of time and money....
I have done it twice (bleed the ABS) and you can just top it up as you would of done in a car. The brake fluid does not all suddenly dissapear out the bleed nipple.
Something to get the brake fluid poured into the resorvoir would be useful as there a few pipes to negotiate. I used a big syringe the first time and the second just used it straight from the bottle.