You might want to take a look at the helpr package,
https://github.com/hadley/helpr, which provides a lot of functions
that do exactly that. The key idea is to use tools::parse_Rd to parse
the Rd files into R data structures.
Hadley
On Wed, Jan 12, 2011 at 11:23 AM, Roebuck,Paul L
<proeb...@mdanderson.org> wrote:
> Have UI that simplifies running code from another (internal) package,
> allowing user to set values on fields I basically grabbed from results
> of calls to formals() for various functions. That works fine for the
> most part. But it was requested to investigate some type of popup help
> or something for each field.
>
> Since I already wrote the information in the dot-Rd files for what
> should be displayed, was wondering if (how) that information could
> be accessed. For example, given formal argument 'x' to function 'foo',
> I would like to grab the text associated with \item{x} in \arguments{}
> section of manual page, preferably without scraping.
>
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>
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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