[Boost-users] Re: Program options: terminating parsing.

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-02-24 04:21:06

The Grumpiest Man You Know wrote:

> As context I would like to say that read "The C++ Programming
> Language" first edition and thought, "That sounds interesting." and
> then didn't think of it again 'til about a a couple of months ago,
> when I read Accelerated C++ on the recommendation of a friend and then
> updated my original copy to the third edition.  So I have NO useful
> C++ experience, please point out even the most obvious things, I
> really could be that dumb.  I have started a non trivial project that
> I hope will cement some of the things I've read.  And that's where
> boost comes in.
> 
> I had some success with using boost_filesystem, so I think I am able
> to extract basic usage out of the documentation but I've failed to
> find what I'm looking for in program_options.
> 
> I would really like to parse a line that has the the form:
> word [options]... nother option-like-non-option-word...
> 
> so for instance -F after "word" indicates a legitimate value but -F
> after "nother" shouldn't set or change the value and indeed might not
> even have a "value"

Can you provide a real example of the syntax you want to support? Why do you
want "-F" to mean different things depending on the position on the command
line?

- Volodya