function len = strlen(str)
%  len = strlen(str)
% compute the # of characters in str (ignoring 0s at the end)


%
% strlen.m
%
% Original Author: Bruce Fischl
% CVS Revision Info:
%    $Author: nicks $
%    $Date: 2007/01/10 22:55:10 $
%    $Revision$
%
% Copyright (C) 2002-2007,
% The General Hospital Corporation (Boston, MA). 
% All rights reserved.
%
% Distribution, usage and copying of this software is covered under the
% terms found in the License Agreement file named 'COPYING' found in the
% FreeSurfer source code root directory, and duplicated here:
% https://surfer.nmr.mgh.harvard.edu/fswiki/FreeSurferOpenSourceLicense
%
% General inquiries: freesurfer@nmr.mgh.harvard.edu
% Bug reports: analysis-bugs@nmr.mgh.harvard.edu
%

len = length(str) ;
for i=length(str):-1:1
	if (str(i) ~= 0)
		break ;
	end
	
	len = len-1;
end

		
