Message-ID: <Pine.LNX.4.58L0.0401301948200.22712@est.ufpr.br>
Date: 2004-01-30T21:48:30Z
From: Paulo Justiniano Ribeiro Jr
Subject: Detect the presence of an object
In-Reply-To: <16410.50557.738399.755782@dhcp-63-193.cse.ucsc.edu>
try the function exists()
On Fri, 30 Jan 2004, 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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>
Paulo Justiniano Ribeiro Jr
Departamento de Estat?stica
Universidade Federal do Paran?
Caixa Postal 19.081
CEP 81.531-990
Curitiba, PR - Brasil
Tel: (+55) 41 361 3471
Fax: (+55) 41 361 3141
e-mail: pj at est.ufpr.br
http://www.est.ufpr.br/~paulojus