Set variable equal to folder in path

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Andrew Biehl
Andrew Biehl 2020-5-4
回答： Andrew Biehl 2020-5-7
I am running a script in multiple directories. They are organized like this:
MainDir/SubDir1/SubDir2/AnalysisDir1
I want to store the string "SubDir1" as a variable, which I will later insert into the name of the output files.
Here's how I accomplish this in cygwin:
cd ./../../
SubDir1="${PWD##*/}"
cd ./SubDir2/AnalysisDir
Any help would be much appreciated.

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回答（2 个）

Steven Lord
Steven Lord 2020-5-4
Assuming you start off in MainDir:
S = 'SubDir1';
A = fullfile(pwd, S, 'SubDir2', 'AnalysisDir1');
fprintf('Changing directory to %s.\n', A)
cd(A)
  1 个评论
Andrew Biehl
Andrew Biehl 2020-5-4
Thanks for the code. I don’t think my question was clear. I don’t want to manually assign ‘Subdir’. I want the code to extract ‘Subdir’ from the existing path. Here is my list of Directories. Note that I changed “Subdir1” to “Subdir1a,b,c…”
MainDir/SubDir1a/SubDir2/AnalysisDir1
MainDir/SubDir1b/SubDir2/AnalysisDir2
MainDir/SubDir1c/SubDir2/AnalysisDir3 …
I will run the matlab file using a .bat file which I will use to run multiple different programs in series. For the Matlab portion of the .bat file, I will first change the working directory to the analysis directory (e.g. AnalysisDir1), and then I will run MatlabScript.m within the analysis directory.
I want to have lines of code within MatlabScript.m which will pull SubDir1a (or b,c, etc) out of the path, so that my output can be sent to SubDir1a.txt

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Andrew Biehl
Andrew Biehl 2020-5-7
Are there any other thoughts on this question? Thanks!

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