grouping files together by name

Question

MJ 2021-8-11

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/896452-grouping-files-together-by-name

评论： MJ 2021-8-11

采纳的回答： Image Analyst

在 MATLAB Online 中打开

I would like to iterate through a list of PNG files in a folder (inputdir) and group them based on their file name.

The png filenames end in a format like xxx.01.001.png, xxx.01.002.png... xxx.01.256.png, where xxx is irrelevant.

and I would like to group and move the 256 png files into one folder in a directory like inputdir/01

And repeat the same for other groups like xxx.02.001.png, xxx.03.001.png and so forth

How would this be accomplished? I am trying to code the solution but I am stuck.

cd inputdir
S = dir(fullfile(inputdir,'*.PNG'));
for k = 1:numel(S)
    fnm = fullfile(inputdir,S(k).name);
    newj = % some code here
    if j ~= newj
        mkdir(string(newj));
        j = newj;
    end
end

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

Image Analyst 2021-8-11

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/896452-grouping-files-together-by-name#answer_764997

在 MATLAB Online 中打开

You'll need to parse the filenames then sort them by whatever number you want to sort them by. You can use fileparts() and strsplit() to break the filename into parts. Here is a start:

S = dir(fullfile(inputdir,'*.PNG'))
allFileNames = {S.name};
for k = 1 : length(allFileNames)
	thisName = allFileNames{k};
	[~, baseFileNameNoExt, ext] = fileparts(thisName);
	if ~contains(baseFileNameNoExt, '.')
		continue; % Skip names with no dot in them.
	end
	fprintf('Processing %s.\n', baseFileNameNoExt);
	nameParts = strsplit(baseFileNameNoExt, '.')
end

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

MJ 2021-8-11

Thank you so much!

请先登录，再进行评论。

Answer 2

Simon Chan 2021-8-11

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/896452-grouping-files-together-by-name#answer_765027

在 MATLAB Online 中打开

Following code assumes all your png files are inside the working directory and the filename format are xxxx.00.000.png.

clear; clc;
myFolder = 'C:\Users';                              % Your working directory
S = dir(fullfile(myFolder,'*.png'));
filename = {S.name};
filename_split = cellfun(@(x) strsplit(x,'.'),filename,'UniformOutput',false);
filename_combine = vertcat(filename_split{:});
foldername = unique(filename_combine(:,2));
cellfun(@(x) mkdir(fullfile(myFolder,x)),foldername);
cellfun(@(x,y) movefile(fullfile(myFolder,x),fullfile(myFolder,y)),filename,filename_combine(:,2)');