[R] Install package automatically if not there?

Law, Jason Jason.Law at portlandoregon.gov
Thu Jun 24 21:33:32 CEST 2010

Something like:

if (!require(pkg)){


-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Ralf B
Sent: Thursday, June 24, 2010 12:26 PM
To: r-help at r-project.org
Subject: [R] Install package automatically if not there?

Hi fans,

is it possible for a script to check if a library has been installed?
I want to automatically install it if it is missing to avoid scripts to crash when running on a new machine...


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