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Changing names of excl files automatically and converting into cell array

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NeedHelp55
NeedHelp55 2024-2-19
编辑： Stephen23 2024-2-19
I have a project where i must rename excel files automatically and then place each file into a cell array. i cannoyt seem to figure it out. the code i am using to try and rename the fie is not working. Here it is:
files = dir('*.xlsx');
% Loop through each
for id = 1:length(files)
% Get the file name (minus the extension)
[~, f] = fileparts(files(id).name);
% Convert to number
num = str2double(f);
if isnan(num)
% If numeric, rename
movefile(files(id).name, sprintf('%03d.xlsx', id));
end
end
  1 个评论
Stephen23
Stephen23 2024-2-19
Ran in:
The order of the renamed files might not be what you expect:
writematrix(1,'1.txt')
writematrix(2,'2.txt')
writematrix(10,'10.txt')
S = dir('*.txt');
S.name % note the order!
ans = '1.txt'
ans = '10.txt'
ans = '2.txt'

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采纳的回答

Dyuman Joshi
Dyuman Joshi 2024-2-19
If you want to rename the file when the file name is a number only, then the condition should be -
if ~isnan(num)
  6 个评论
显示 4更早的评论
NeedHelp55
NeedHelp55 2024-2-19
I would like to rename all files, regardless of filename content. Thank you for your help
Stephen23
Stephen23 2024-2-19
编辑：Stephen23 2024-2-19
"i would like to rename each file to 1 through 11 to make it easier for taking in the data to the cell array."
Renaming the files won't make that easier. Here is an alternative:
P = 'D:/foo/bar'; % absolute or relative path to the parent directory
S = dir(fullfile(P,'Non*BP*','*S*','*Subject*ECG.xlsx'));
for k = 1:numel(S)
F = fullfile(S(k).folder,S(k).name);
T = readtable(F); % or some other suitable file importing function
S(k).data = T;
end
All of the imported data is stored in the structure S. For example, the 2nd file:
S(2).folder % filepath
S(2).name % filename
S(2).data % imported file data
If you really need the imported data in a cell array then you can simply do this:
C = {S.data};
https://www.mathworks.com/matlabcentral/answers/1656435-tutorial-comma-separated-lists-and-how-to-use-them
I recommend using the structure.

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