%GETENV Get environment variable.
%   GETENV('NAME'), where NAME is a text string, searches the underlying
%   operating system's environment list for a string of the form
%   NAME=VALUE and returns the string VALUE if such a string is present.
%   If the specified name cannot be found, an empty matrix is returned.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 5.5 $  $Date: 1998/06/05 21:06:06 $
%   Built-in function.
