hello i want to search for ( * .inf ) files in a folder

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Ishak Oussama 2019-1-27

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https://ww2.mathworks.cn/matlabcentral/answers/441725-hello-i-want-to-search-for-inf-files-in-a-folder

评论： Adam Danz 2019-2-7

hello i want to search for * .inf files in a folder taking into account the subfolders and after listing filenames in a table column. Sans titre.png

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Answer 1

Adam Danz 2019-1-28

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https://ww2.mathworks.cn/matlabcentral/answers/441725-hello-i-want-to-search-for-inf-files-in-a-folder#answer_358400

编辑：Adam Danz 2019-1-28

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Here's a function that searches for files with a given extension. It searches through a chosen parent directory and all of its subfolder at all levels. At the end of the for-loop, you can choose wether the output (matchList) should list just the filenames or the entire path to the files. I recommend using the entire path in case you have duplicate file names.

% Name the parent directory and file extension 
parentDir = 'C:\Users\foobar\Documents\MATLAB'; 
ext = 'inf'; %without the dot
% list all folders and subfolders
folderList = strsplit(genpath(parentDir), ';')'; 
% initialize loop vars
exp = sprintf('.+\\.%s', ext); 
matchList = {}; 
% loop through each folder and search for files
for i = 1:length(folderList)
    folderData = dir(folderList{i}); 
    names = {folderData.name}; 
    strLen = cellfun(@length, names); 
    endIdxCell = regexp(names, exp, 'end'); 
    endIdx = zeros(size(endIdxCell)); 
    endIdx(~cellfun(@isempty, endIdxCell)) = [endIdxCell{:}]; 
   % matchList = [matchList; names(endIdx == strLen & endIdx > 0)'];                         % list filenames only
    matchList = [matchList; fullfile(folderList{i}, names(endIdx == strLen & endIdx > 0))']; %list full paths
end

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Adam Danz 2019-2-5

编辑：Adam Danz 2019-2-5

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Could you loop through each parent directory and apply the code to each parent directory?

Here's a slight adaptation to my solution above (UNTESTED!). "parentDir" is a cell array of strings pointing to directories. Each of those directories and all of their subdirectories will be searched.

% Name the parent directory and file extension 
parentDir = {'C:\Users\foobar\Documents\MATLAB', '...', '...', 'etc...'}; 
ext = 'inf'; %without the dot
% initialize loop vars
exp = sprintf('.+\\.%s', ext); 
matchList = {}; 
% list all folders and subfolders
for j = 1:length(parentDir)
    folderList = strsplit(genpath(parentDir{j}), ';')'; 
    % loop through each folder and search for files
    for i = 1:length(folderList)
        folderData = dir(folderList{i}); 
        names = {folderData.name}; 
        strLen = cellfun(@length, names); 
        endIdxCell = regexp(names, exp, 'end'); 
        endIdx = zeros(size(endIdxCell)); 
        endIdx(~cellfun(@isempty, endIdxCell)) = [endIdxCell{:}]; 
       % matchList = [matchList; names(endIdx == strLen & endIdx > 0)'];                         % list filenames only
        matchList = [matchList; fullfile(folderList{i}, names(endIdx == strLen & endIdx > 0))']; %list full paths
    end
end

Ishak Oussama 2019-2-7

thank you, your hint does not work ,I'm doing another hint that works very well

% Name the parent directory and file extension

parentDir ={'C:\Users\foobar\Documents\MATLAB', '...', '...', 'etc...'};

ext = 'inf'; %without the dot

% initialize loop vars

exp = sprintf('.+\\.%s', ext);

matchList = cell(length(parentDir), 1);

% list all folders and subfolders

for j = 1:length(parentDir)

folderList = strsplit(genpath(parentDir{j}), ';')';

% loop through each folder and search for files

for i = 1:length(folderList);

folderData = dir(folderList{i});

names = {folderData.name};

strLen = cellfun(@length, names);

endIdxCell = regexp(names, exp, 'end');

endIdx = zeros(size(endIdxCell));

endIdx(~cellfun(@isempty, endIdxCell)) = [endIdxCell{:}];

matchList{j} = [matchList{j}; names(endIdx == strLen & endIdx > 0)']; % list filenames only

%matchList = [matchList; fullfile(folderList{i}, names(endIdx == strLen & endIdx > 0))']; %list full paths

end

Adam Danz 2019-2-7

The hint does work if you're using it propery. It's a hint which means that the code isn't functional by itself. If you format your code so that it's more readable, I can more easily help.

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