extending uiop/run-program

[Jason Miller]

> My Windows box is now fixed.  Sort of.  But I really don't understand
> Windows, and have no desire to learn.  I can run the tests, and check
> their results, but that's about the limit.  I have no intention of
> fussing around with cmd.exe and the like...
> 
> Some time ago, Faré suggested that it might be worth replacing use of
> cmd.exe with powershell in UIOP/run-program.
> 
> I don't really know what powershell is, but I get the impression it's a
> shell that's less horrible than cmd.exe.
Powershell is an improved shell that ships with all versions of windows
from 7 on, (and server 2008R2 on).  It is available going as far back as
XP as an optional download, so it would be an external requirement for
UIOP for Vista and older.
> 
> Best,
> r
> 
>