> i've not used ruby for that long, but i've found the need to do the
> following rather often:
> 
> [3, 2, 5, 2, 19].rand_item		# => returns random item from array
> 
> short code, but could be helpful to others (needed it in all of my last
> projects, but perhaps i'm just strange)

Sounds like a good recipe: http://www.rubycookbook.org