Lincoln Anderson wrote:
> Will system be called both times all the time, or will the first one
> be called only when the unless condition is satisfied, or will both
> calls only be enacted when the unless condition is satisfied?  I've
> seen examples that used else statements with unless calls, but I'm not
> sure if this is needed here or not.  Unless is new to me :)

Just like if:

  unless something
    do_this
    and_this
  end

  do_other unless something_else
  but_always_this


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