Re: [Rd] RFC: allow packages to advertise vignettes on Windows

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Wed, 16 May 2007 12:51:35 -0400

On 5/16/2007 11:58 AM, Simon Urbanek wrote:

> Um .. I'm not quite sure I understand - all you have to do is
> v=vignette(); v$results[v$results[,1] %in% search(),]
> or am I missing something?

In the interest of avoiding duplication and speeding up the calculation, I'd put this into the vignette() function (e.g. add an attached=FALSE argument). I suspect on a system with several hundred installed packages vignette(attached=TRUE) could be quite a bit faster than searching all packages and subsetting afterwards.

> There is one thing that could be addressed I suppose - we don't have
> any hooks for GUIs in the sense that R cannot tell the GUI that
> something changed (e.g. a new package was installed). Right now each
> GUI uses system's facilities (or asynchronous checks) to learn about
> such events. This could be unified (as well as other aspects like
> e.g. the menu access).

Both of these things would be really nice, but I wouldn't hold off on Seth's suggestion to wait for them.

Duncan Murdoch



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