Re: [boost] using filesystem path with program_options

From: Chris Weed (chrisweed_at_[hidden])
Date: 2005-12-09 11:20:37

Thanks,
I also noticed that the function call "validators::check_first_occurence(v);"
is misspelled in the example. occurrence should have 2 'r's
Chris

On 12/9/05, Vladimir Prus <ghost_at_[hidden]> wrote:
> Chris Weed wrote:
>
> > Hi,
> > I would like to have the program_options functions parse a
> > boost::filesystem path.
> >
> > For example something like the following code. However, this doesn't
> > seem to work. The error seems to suggest the problem is a lack of
> > operator >> for path.
> >
> > Is it possible to make this work?
>
> Yes, you have two approaches.
>
> 1. Specify a custom way to parse fs::path to Boost.program_options
> See http://boost.org/doc/html/program_options/howto.html#id2716150
> for an example.
>
> 2. Convince Beman Dawes, the author of Boost.Filesystem, that adding
> operator>> for paths is a good idea. Personally, I don't see any reason why
> it should not work -- if I want to save/load something containing
> boost::fs::path, working operator>> would be a plus.
>
> - Volodya
>
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