filesize.m

toolbox of BVQX, This is the access between BV and matlab. It will help you to analysis data from BV

function fsz = filesize(filename)
% filesize  - return a file's size in bytes
%
% FORMAT:       fsz = filesize(filename)
%
% Input fields:
%
%       filename    filename
%
% Output fields:
%
%       fsz         filesize

% Version:  v0.7a
% Build:    7080813
% Date:     Aug-08 2007, 1:53 PM CEST
% Author:   Jochen Weber, Brain Innovation, B.V., Maastricht, NL
% URL/Info: http://wiki.brainvoyager.com/BVQXtools

% argument check
if nargin < 1 || ...
   ~ischar(filename) || ...
    isempty(filename) || ...
    exist(filename(:)', 'file') ~= 2
    fsz = NaN;
else
    fsz = dir(filename(:)');
    fsz = fsz.bytes;
end