matlab mkdir gives error

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RuiQi
RuiQi 2017 年 7 月 14 日
コメント済み: Walter Roberson 2017 年 7 月 15 日
I have a folder named results. I want to create a folder with name datetime in it. I use mkdir but I get error.
t = datetime('now');
folder = ['../results/', datestr(t)];
mkdir(folder);
Error using mkdir The filename, directory name, or volume label syntax is incorrect.

回答 (3 件)

Walter Roberson
Walter Roberson 2017 年 7 月 14 日
The colon separating the hours and minutes is a reserved character in NTFS filesystems.
  1 件のコメント
Walter Roberson
Walter Roberson 2017 年 7 月 15 日
t = datestr(now, 'dd-mmm-yyyy HH-MM-SS');
folder = fullfile('C:\Users\H\Documents\MATLAB\EntropyRateSuperpixel-master\results, t);
mkdir(folder);

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Image Analyst
Image Analyst 2017 年 7 月 14 日
Look at this:
>> datestr(now)
ans =
'13-Jul-2017 23:16:35'
You see those colons in there? The operating system uses those after drive letters, which doesn't make sense for that string. You can use strrep() to replace the colons with something else.
folder = strrep(folder, ':', '_');
Or just delete them,
folder = strrep(folder, ':', '');
or extract out the date only and not the time.
folder = folder(1:11);

RuiQi
RuiQi 2017 年 7 月 14 日
The colons were giving an issue. This worked.
t = datetime('now');
t = datestr(t);
t = strrep(t,':','-')
folder = ['C:\Users\H\Documents\MATLAB\EntropyRateSuperpixel-master\results\', t];
mkdir(folder);

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