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    %% Skip to Next Loop Iteration
% Count the number of lines of code in the file |magic.m|.  Skip blank
% lines and comments using a |continue| statement. |continue| skips the
% remaining instructions in the |while| loop and begins the next iteration.

% Copyright 2015 The MathWorks, Inc.

fid = fopen('magic.m','r');
count = 0;
while ~feof(fid)
    line = fgetl(fid);
    if isempty(line) || strncmp(line,'%',1) || ~ischar(line)
        continue
    end
    count = count + 1;
end
count
fclose(fid);