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

%   Copyright 1984-2018 The MathWorks, Inc.
%   Built-in function.
