R help - Dec 2011 - Is there a way force hiding of all messages when calling library()?

For example, if I call "library(spam)", I would get messages like this

Package 'spam' is loaded. Spam version 0.27-0 (2011-08-17).
Type demo( spam) for some demos, help( Spam) for an overview
of this package.
Help for individual functions is optained by adding the
suffix '.spam' to the function name, e.g. 'help(chol.spam)'.

Attaching package: ?spam?

The following object(s) are masked from ?package:base?:

    backsolve, forwardsolve, norm


While I understand that it's helpful to see these message at times, most of
the time I already knew these information, especially when I run things from a
script. The bigger problem is that it clutters up the output and makes it harder
to notice if there are real problems. I have tried "library(spam,
warn.conflicts=T, quietly=F, verbose=F)" but it didn't help at all. Are
there other ways to hide these messages? Thank you.

You should be able to suppress them with
suppressPackageStartupMessages() but not all packages produce startup
messages in the approved manner.

Hadley

On Wed, Dec 21, 2011 at 5:36 PM, Saiwing Yeung <saiwing at berkeley.edu>
wrote:
> For example, if I call "library(spam)", I would get messages like
this
>
> Package 'spam' is loaded. Spam version 0.27-0 (2011-08-17).
> Type demo( spam) for some demos, help( Spam) for an overview
> of this package.
> Help for individual functions is optained by adding the
> suffix '.spam' to the function name, e.g.
'help(chol.spam)'.
>
> Attaching package: ?spam?
>
> The following object(s) are masked from ?package:base?:
>
> ? ?backsolve, forwardsolve, norm
>
>
> While I understand that it's helpful to see these message at times,
most of the time I already knew these information, especially when I run things
from a script. The bigger problem is that it clutters up the output and makes it
harder to notice if there are real problems. I have tried "library(spam,
warn.conflicts=T, quietly=F, verbose=F)" but it didn't help at all. Are
there other ways to hide these messages? Thank you.
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.


-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/