which('folderName') - Find the Location of a subdirectory of a directory

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Matthew 2016 年 4 月 1 日
コメント済み: Star Strider 2016 年 4 月 1 日
Is there a simple way (better than brute force) to treat subdirectories as files and find the subdirectory which is highest on the matlab path?
i.e. if there exists a folder c:\Documents And Settings\user\My Documents\Matlab\myFolderName
%Should return c:\Documents And Settings\user\My Documents\Matlab\myFolderName
Note that parsing the path does not solve this immediately. The brute force way to do this would be something like
P = regexp(path,'[^;]+','match');
allItems = cellfun(@(x) dir(x),P,'UniformOutput',false);
matches = cellfun(@(x) ismember('myFolderName',{x.name}),allItems);
highestMatch = fullfile(P{find(matches,1)},'myFolderName');
But this is ugly and slow. . .


Star Strider
Star Strider 2016 年 4 月 1 日
Use the what function instead.
  2 件のコメント
Star Strider
Star Strider 2016 年 4 月 1 日
My pleasure!
I remember using it a while back (after a long expedition through the documentation to find it). I had to look it up too just now because I forgot its name. I just knew it was there somewhere.
I’m still discovering new functions and new applications for them, and I’ve been using MATLAB since 1994. MATLAB is a large language, and the documentation reflects that.


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