Re: Naive question: boolean dependency

[Vladimir Mihai Pacuraru <vlad solsoft com>]

> From: Michael Jennings <mej kainx org>
> To: rpm-list redhat com
> Subject: Re: Naive question: boolean dependency
> Date: Tue, 5 Feb 2008 20:49:12 -0800
> On Tuesday, 05 February 2008, at 08:00:42 (+0100),
> Tony Earnshaw wrote:
>
> >> It is  possible to express boolean dependencies in RPM?
> >
> > Yes. grep -ir for examples in /usr/lib/rpm.
>
> Please share some.  I would love to see them.

Same interest here!
>
> >> Requires: (pkg <=1.0.3) | (pkg>=1.9.3)
> >
> > The above hasn't anything to do with Boolean switches but is given
> > with the Requires: and/or BuildRequires: definitions.
>
> Please illustrate.
>
> Michael

Again, I would like to do pretty much the same thing (say that a package 
requires either a version or another) and tried to adapt the above 
Requires: example but instead got this error:

error: line 17: Dependency tokens must begin with alpha-numeric, '_' or '/':

What exactly are the uses for the underscore and the / characters?

Thanks a lot!

Vlad