[Rcpp-devel] How to detach a package completely

[Cipollini Fabrizio]

Dear Dirk

On Sat, Aug 30, 2014 at 1:46 PM, Dirk Eddelbuettel <edd at debian.org> wrote:

>
> On 30 August 2014 at 09:14, Cipollini Fabrizio wrote:
> | From time to time, I use R to develop my own packages.
> | For testing purposes, I need frequently
> | ***to detach the previous version and attach a more recent built without
> | leaving the R session***.
>
> This has nothing to do with Rcpp.
>

I figured that but since I tested only Rcpp, I searched the support of Rcpp
experts before any other ...


> The most reliable way is to ... start fresh sessions.

For which littler and Rscript are useful, so I something like the following
> all the time: to test a given package, I load it (option -l or --packages,
> takes a comma-sep. list) and exectute a function to test (option -e, or
> --eval) via littler's r:
>
>   edd at max:~$ r -l RcppZiggurat -e 'print(zrnorm(5))'
>   [1] -1.1409054  0.8759027 -0.1969075 -0.1245053  0.2695581
>   edd at max:~$
>
> Next time I run this I know I have a fresh session.  RStudio reloads the
> current session, and package, for you too.
>

Ok. I take the point.

Thanks for your help and you terrific job with R.

Fabrizio Cipollini
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