Message-ID: <401AD19D.8090107@pdf.com>
Date: 2004-01-30T21:50:21Z
From: Spencer Graves
Subject: Detect the presence of an object
In-Reply-To: <16410.50557.738399.755782@dhcp-63-193.cse.ucsc.edu>
Have you considered "exists" or "missing"?
hope this helps. spencer graves
Francisco J Molina wrote:
>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?
>
>Thank you.
>Francisco J. Molina
>
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