MATLAB: Read certain files from a directory in matlab

filenametext file

Hello,

I have over 100 .mat files in a directory and I am wondering how can I read and plot some of them. For example the file names are like such:

XX11YZ08 , XX12YZ07, XX13YZ08, XX14YZ06, XX15YZ08, and so on…

I would like to read and plot the data from all the files whose name end with '08'.

Thanks a lot in advance

Best Answer

Hi you can begin your m-file with dir() like

>_>filenames_in_mydirectory=dir()_

then create a cicle (for,while..)

in this cicle use string functions for comparing only last 2 character of the filename (before ".extension" obviously) with the string "08" and save the filenames that match with this condition in an array

after that use load()

mydata=load('myxxxyxylile08.mat'); and so plot data.

good luck

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Use dir to generate a file list (you can use to search a folder tree), then use a loop to process all files one by one.

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you can determine your current directory with pwd.

so to load the file it'll go something like this

 myfile = 'mymatfile.mat';
 [parentdir,~,~]=fileparts(pwd);
 load(fullfile(parentdir,myfile))

Best Answer

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