How to load .txt files into MATLAB from server?

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Austin Jandreau
Austin Jandreau 2020-2-14
评论： Geoff Hayes 2020-2-18
Hello All, I am currently having trouble geting the data in my .txt files to be displayed in MATLAB. I can see file names, but recieve errors when i run the full code. The maindir is just three random .txt files that have one line of text which says "test" and are saved in a folder on a server. All 3 files have different names(ex. test2.txt numerouno.txt,test3.txt) Any thoughts or suggestions would be greatly appreciated.
maindir=['U:\Random\text files for matlab code test'];
cd(maindir)
textfiles=dir('*.txt');
textfiles.name
numfiles=1:length(textfiles);
mydata=cell(1,numfiles);
for k=1:numfiles
mydata(k)=importdata(textfiles(k).name);
end
data=mydata(k);
disp(mydata)

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回答（1 个）

Geoff Hayes
Geoff Hayes 2020-2-14
Austin - what is the error that you are observing? Is it
Error using cell
Size inputs must be scalar.
Note the code
numfiles=1:length(textfiles);
mydata=cell(1,numfiles);
where numfiles is an array with elements 1 2 3 ... up to the number of text files. I think that you want to do
numfiles=length(textfiles);
mydata=cell(1,numfiles);
instead. Also, since mydata is a cell array, you may want to try indexing with {} braces instead of () brackets
mydata{k}=importdata(textfiles(k).name);
  2 个评论
Austin Jandreau
Austin Jandreau 2020-2-18
Hello Geoff Hayes,
First up thank you for responding to my question, it is myuch appreciated.
Secondly, Yes the error ithat was seeing was the following:
Error using cell
Size inputs must be scalar.
I tried out the recommendations and recieved a new error. The new error being seen is:
??? Error using ==> text
Invalid parameter/value pair arguments
Im going to play around with the code for a bit and try a few changes to see if i can get it to work, any thoughts on the new error?
Geoff Hayes
Geoff Hayes 2020-2-18
Austin - I'd have to see the line of code that is generating the error message. Are you now calling the text function? Or doing something else?

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