Delete files with specific sizes

2020 2 14
1 个回答
回答已采纳
更新时间：2020 2 15
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Hello everyone,
I want to ask a question.
I have a directory of flight data files and I want to delete some files that have less size than, for example 500 kb.
Is there any way to do it in loop?
Thanks

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Bhaskar R
Bhaskar R 2020-2-14

1 个投票

Get the directory files
files = dir('your directory');
Apply loop and delete with your condition
for ii = 1:length(files)
if files(ii).bytes<500000 % 500kb
delete(fullfile(files(ii).folder, files(ii).name)
end
end

5 个评论
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Oktavian Jason
Oktavian Jason 2020-2-14
Do I have to insert the files name?
Guillaume
Guillaume 2020-2-14
编辑：Guillaume 2020-2-14
You may want to change the if to:
if files(ii).bytes<500000 & ~files(ii).isdir % 500kb
to avoid the loop erroring if there's any subfolder.
You don't even need the loop:
files = dir('your directory');
todelete = [files.bytes] < 500e3 & ~[files.isdir];
deletelist = fullfile({files(todelete).folder}, {files(todelete).name});
delete(deletelist{:});
Oktavian Jason
Oktavian Jason 2020-2-14
thank you very much! will try this
Oktavian Jason
Oktavian Jason 2020-2-14
actually i'm a bit confused how to use these. (i'm new to matlab).
can you please give me the example?
let's say my folder is "Project" in D drive, and the folder has about 600 files.
Bhaskar R
Bhaskar R 2020-2-15
You can learn/refer MATLAB fundamentals to apply solution to your problem. MATLAB provides very rich documentation clearly.

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