close all view() windows?

[danmc]

Is there a convenient way to close all windows which have been created
by view("somefilename")? Sometimes I end up with a bunch of these
windows and I just want to make them all go away.

In ocean when I might have a bunch of waveform windows I can kill them
all at once with this:
(procedure (myCloseAll) (while (currentWindow) (hiCloseWindow
(currentWindow) ) ) )

but 'currentWindow' isn't the right thing for these view() windows.

Thanks
-Dan