[conspire] vi/ex :r! cal

[Michael Paoli]

Hmmmmmm....,

And I'm used to doing more typically, something like:
:r !cal
rather analogous to:
:w !spell
which is quite different than
:w! spell
and
:w!spell
... but actually in the case of
:r
these will all work the same:
:r!cal
:r !cal
:r! cal

references/excerpts:

> Date: Thu, 24 Jun 2010 16:53:10 -0700
> From: Rick Moen <rick at linuxmafia.com>
> To: conspire at linuxmafia.com
>
> :r! cal

vi(1)
ex(1)
http://www.rawbw.com/~mp/unix/vi/