wildcard in dir command - single char

how can i search files of pattern aaa0.... aaa1......
without finding the file aaa (without number)
at system dir command its " dir aaa? "
but i cant run this in matlab
i need the results as structure so i cant use system command

回答(1 个)

Stephen23
Stephen23 2019-7-23
编辑:Stephen23 2019-7-23
dir does not support single-character wildcards.
You could remove the superfluous filenames afterwards, e.g.:
>> S = dir('aaa*.txt');
>> S.name
ans = aaa.txt
ans = aaa0.txt
ans = aaa1.txt
>> C = {S.name};
>> X = cellfun('isempty',regexp(C,'^aaa\d.txt$'));
>> S = S(~X);
>> S.name
ans = aaa0.txt
ans = aaa1.txt

4 个评论

Hi,
I was able to use dir(['dddd\*_X??']) for listing all the directories ending _Xnn. Strangely, I am not able to use the same command in my laptop. Both the matlab versions are 2018a. I wonder why?
Best,
Anil
Are they the same operating system?
Yes - Same Operating system. What is the wild character for specifying one character?
Thank you,
Anil
The Mathworks documentation says that wildcards for single characters is not supported.

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