% control_continue.m
% continue控制語句
% 統計文本文件的行數
fid = fopen('pascal.m','r');
count=0;
num=0;
while ~feof(fid)
    line = fgetl(fid);
    if isempty(line) | strncmp(line,'%',1)
        num=num+1;
        continue
    end
    count=count+1;
end
disp(sprintf('程序有%d lines',count));
disp(sprintf('%d'))