[Bioc-devel] Loading a file for vignette

[Douglas Bates]

On 2/26/07, Sean Davis <sdavis2 at mail.nih.gov> wrote:
> I would like to make a vignette that will instruct the user to load a file
> from a package distribution using one of the packages R functions.  The file
> is not a .txt file (or any of the other file types that should be in the data
> directory of a package).  Of course, the vignette needs to build and I would
> like to have those commands be the same as those used by the user.  I have
> looked around a bit and the packages that I have found do a simple
> load(somedata) where somedata is an R data file.  Is there a way to start
> directly from the original file, or am I better off creating the R object and
> loading it and simply telling the user how I created it?  This is a VERY
> small point, but I'm curious.

There are examples like this in the Matrix package on CRAN.  You can
put the data in a directly that will get installed with the package
(say myPackage/inst/exampleData) then use the system.file() function
to get you the path to where it is installed.