[R] Is there a way force hiding of all messages when calling library()?

[Hadley Wickham]

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