Raw Message

Message-ID: <Pine.SOL.4.20.0401301642480.4132-100000@santiam.dfci.harvard.edu>
Date: 2004-01-30T21:43:20Z
From: Jeff Gentry
Subject: Detect the presence of an object
In-Reply-To: <16410.50557.738399.755782@dhcp-63-193.cse.ucsc.edu>

> Is there a  function like "is.there" such that 
> is.there ( a ) returns TRUE is object 'a' is in the current environment and
> FALSE otherwise?

exists()