From dwinsemius at comcast.net  Thu Oct 21 01:00:23 2010
From: dwinsemius at comcast.net (David Winsemius)
Date: Wed, 20 Oct 2010 19:00:23 -0400
Subject: [Rd] library verbose option doesn't stop "Loading required
	package XYZ"
In-Reply-To: <AANLkTimCoFJibeienRkQ5aXUoc-2DGqH2Biov3Cu6_Lt@mail.gmail.com>
References: <AANLkTimCoFJibeienRkQ5aXUoc-2DGqH2Biov3Cu6_Lt@mail.gmail.com>
Message-ID: <94DF5568-CBE9-4049-BC82-1396AF88D8F3@comcast.net>


On Oct 20, 2010, at 6:49 PM, Dominick Samperi wrote:

> Hello,
>
> The library verbose option does not stop numerous messages
> of the form "Loading required package: XYZ". This is inconvenient
> when a package is loaded repeatedly using Rscript.
>
> Is there a way to turn off the "Loading required package"
> messages?

?invisible
 > invisible(require(Hmisc))
 > invisible(library(rms)  )  # no console messages

I do not think this suppress the messages when you attempt to load a  
non-existent package. For that you may need to look at the options()  
setting for warn and warning.expression
>
> One possible work-around is to make packages Suggested
> instead of Required, but this introduces other issues.
>
> Thanks,
> Dominick
>
> 	[[alternative HTML version deleted]]
>
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David Winsemius, MD
West Hartford, CT



[Rd] library verbose option doesn't stop "Loading required package XYZ"
David Winsemius