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    %% Find MEX File Extension for Mac Platform  

%% 
% Get the list of file extensions for supported platforms. 
extlist = mexext('all');  

%% 
% The |mex| command identifies a platform by its |arch| value, which is
% the output of the |computer('arch')| command. For Mac platforms, the value
% is |maci64|. 
%
% Search the |arch| field in the results, |extlist|, for |'maci64'|, and
% display the corresponding |ext| field. 
for k=1:length(extlist)
   if strcmp(extlist(k).arch, 'maci64')
   disp(sprintf('Arch: %s  File Extension: %s', extlist(k).arch, extlist(k).ext))
   end
end