[R] how to suppress a "loading required package: ..." message

[Frank E Harrell Jr]

Dirk Eddelbuettel wrote:
> 
> Frank,
> 
> On 27 December 2006 at 12:30, Frank E Harrell Jr wrote:
> | Dirk Eddelbuettel wrote:
> | > On 27 December 2006 at 08:52, BBands wrote:
> | > | On 12/27/06, jacinthe at gmx.de <jacinthe at gmx.de> wrote:
> | > | > how to suppress a "loading required package:... " message?
> | > | 
> | > | require(package, quiet=TRUE)
> | > 
> | > Some packages insist on talking even when they are asked to be quiet, in
> | > which case I have also resorted to wrapping sink() around the loading:
> | > 
> | > 	> sink("/dev/null")
> | > 	> library(Hmisc)
> | 
> | For that one, do options(Hverbose=FALSE) before library(Hmisc)
> 
> With all due respect, I think you are misguided here. Per-package options for
> verbosity strike me as suboptimal. IMHO, if options("verbose") is FALSE, or
> if the quiet argument to require() has been given, Hmisc should simply be
> quiet.

Dirk,

I spent a significant amount of time a year ago trying to get the more 
general approach to work but to no avail.  As I recall there either was 
missing documentation or some failure of the system to pass a correct 
argument to .First.lib.  Hence the creation of the workaround.

Frank

> 
> In any event, Gabor's one-liner is preferable here as it is generic.
> 
> Dirk
> 
> 


-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University