How to extract specific images from a library of images?

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oshawcole on 20 Aug 2019
Edited: Stephan on 20 Aug 2019
I have a folder which has 600 images, the images are named as 10000, 10001, 10002,... I have an excel file which has the information about the image number of interest. For example, I want image number 0,3,8,12,16,224 etc to be extracted from this library. How do I go about executing that? Any help would be appreciated.

Accepted Answer

Stephan on 20 Aug 2019
Edited: Stephan on 20 Aug 2019
You can construct a string array of the desired file names like follows:
exceldata = [0,3,8,12,16,224];
filenames = string(10000 + exceldata)';
fileending = repelem(".jpg", numel(filenames), 1);
files = join([filenames fileending],"");
folder = repelem("C:\MyData\YourFolderName\", numel(filenames), 1);
fullFileNames = join([folder files],"")
in this exampe the result is:
fullFileNames =
6×1 string array
This result can be used to copy or move the files by looping through this string array.
Best regards
Stephan on 20 Aug 2019
This comment makes me assume it worked for you ;-)

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