Re: [boost] [program_options] multitoken arguments

Subject: Re: [boost] [program_options] multitoken arguments
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2009-04-03 09:44:57

Carlo Medas wrote:

> Dears,
> we've been using boost::program_options and it works great.
> 
> We just found a minor thing, which could be an issue, and I'm reporting it
> to you: when specifying and using a multitoken argument, it actually works
> only if put as last parameter of command line; in any other case, it eats
> all remaining parameters.
> 
> My specification is as follows:
> 
> desc.add_options()
>     ("output,o", bpo::value<std::vector<std::string> >()->multitoken(), "use
> output setup for discovery/scan");
> 
> If then I want to use it like follows, it works:
>> fing -p1 -p2 -p3 -o 1 2 3
> 
> But if the user inverts the order, it does not work anymore, meaning that p3
> is eaten by -o option.
>> fing -p1 -p2 -o 1 2 3 -p3
> 
> Is this a known limitation?

Yes. Can you try SVN HEAD version -- it should have this fixed.

- Volodya