how to read all files that match certain names

Question

ccs 2015-3-20

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/184151-how-to-read-all-files-that-match-certain-names

评论： Adam 2015-3-20

I have files named using dates. I have a variable called 'allfiles' containing all files to access. Now I used another variable called 'datelist' containing dates list of variable 'allfiles' i.e. 2013-06-25, 2013-06-26,...

I have used this 'datelist' to separate weekdays and weekend days. Now I have trouble how to access the files of weekdays only or of weekend days only. I'm using R2014b

filenames are saved like this in the database (lots of them)

2013-06-25.mat

2013-06-26.mat

THANK YOU.

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Adam 2015-3-20

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/184151-how-to-read-all-files-that-match-certain-names#answer_172035

Whatever logic you used on your datelist variable to separate out weekend days should come with a set of indices for these. Just keep hold of these indices and use them for logical indexing into your allfiles variable, assuming they are stored in the same order.

2 个评论
显示无隐藏无

ccs 2015-3-20

编辑：ccs 2015-3-20

在 MATLAB Online 中打开

Thanks for the answer Adam. This is what I have used. Now those lists have dates only.I want to use that list (say weekend days list) to access files with those date names.

 >>n=weekday(date_list);
 >>weekEnds=find(n==1 | n==7);
 >>myweekdays = date_list;    % remove weekend days.
 >>myweekdays(weekEnds) = [];   % weekdays list 
 >>myweekEnds=datenum(date_list(weekEnds)); % weekEnds list

Path to Matfile: (not sorted into weekends and weekdays yet)

   for i=1:numel(all_files)
        year= datestr(date_list(i),'yyyy');
        load([path '\' box '\' year '\' allfiles(i).name])
end

Adam 2015-3-20

在 MATLAB Online 中打开

weekendsIdx = find( n == 1 | n == 7 );
weekends = all_files( weekendsIdx );

should give you the list of weekend files.

Then load those as you seem to be doing. I haven't double-checked that your file loading code is correct, but unless that is what you are asking about I'll assume it is.

请先登录，再进行评论。