Re: [Boost-users] program_options: Printing options and their values

From: Jeremy Conlin (jeremit0_at_[hidden])
Date: 2008-03-12 21:41:29

On Wed, Mar 12, 2008 at 8:19 PM, Andrew Schweitzer <
a.schweitzer.grps_at_[hidden]> wrote:

> Jeremy Conlin wrote:
> >  This is what I have right now
> >
> >     cout << "options:\n";
> >     po::variables_map::iterator optIter = options.begin();
> >     for( ; optIter != options.end(); ++optIter ){
> >         cout << "\t" << optIter->first << " = " << optIter->second.as
> > <http://second.as><string>() << std::endl;
> >     }
> >
> I have yet to find a really simple + satisfactory way to do this.
>
> I tried writing a wrapper that stored a string conversion function with
> the option when it was declared... but that was bit of a hack and I lost
> all the generality.
>
> I concluded it's best to try and print them one by one, not in a loop,
> but by name, and do the printing near where the options are added so you
> can easily see their names and types.
>
> Thank you for your response.  I have come to the same conclusion you did.
 Until there is a better solution, I'll have to do this manually.
Thanks,
Jeremy