How to import data from a specific folder in MATLAB

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Sanka
Sanka am 25 Feb. 2013
Hi all,
I am trying to import a number of text files into my workspace so that I can do some data analysis and post-processing on them. The problem is these files are located in folders that are not in my current directory. I know I can change my directory or import them manually using the GUI but I would prefer to have some function that can import them immediately and that I can incorporate this function into my post-processing m-code.
I previously used something like this to import the files from the current directory:
clear all
files = dir('*.lvm');
for i=1:length(files);
eval(['load ' files(i).name ' R3F1T_']);
end
Maybe there is a way of modifying this simple code to allow me to import the same data from differnt folders?
Thanks in advance

Antworten (2)

Azzi Abdelmalek
Azzi Abdelmalek am 25 Feb. 2013
load(filenames(1).name)

Image Analyst
Image Analyst am 25 Feb. 2013
filePattern = fullfile(yourFolder, '*.lvm');
files = dir(filePattern);
Then go read the FAQ http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F for instructions and code examples on how to process files without using eval().
  1 Kommentar
Sanka
Sanka am 26 Feb. 2013
Thanks for the answer Image Analyst but still not working!
I tried implementing the code as following:
clear all;
filePattern=fullfile('C:','Users','Documents','Inlet Temp','*.lvm');
files=dir(filePattern);
for i=1:length(files);
eval(['load ' files(i).name ' R3F1T_']);
end
Keep getting an error stating:
??? Error using ==> load
Unable to read file R3F1T.lvm: No such file or directory.
Error in ==> test_load at 6
eval(['load ' files(i).name ' R3F1T_']);
Any more help/advice would be greatly appreciated. Seems like a small issue but is really bothering me!

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