Save text file to a specific folder

Hi. I am trying to save a text (.txt) file into a path different to Matlab's. I am manipulating a text file Matlab where I am using the following code:

file = importdata('originalname.txt')

% do all my manipulation using file {x,x} = ' new phrase '

fid = fopen('newname.txt', 'wt'); fprintf(fid, '%s\n', file{:}); fclose(fid);

My question is that I want to save the newname.txt to C:\something\somethingelse , instead of the usual Matlab path folder. I have tried fid = fopen('C:\something\somethingelse\newname.txt', 'wt') , but I get:

Error using fprintf. Invalid file identifier. Use fopen to generate a valid file identifier.

Anyone mind helping me out with this? Thanks in advance.

Answer 1

[Abhiram Bhanuprakash]

Hi Frederico,

In the documentation for fopen here , you can see that fopen creates a new file if the file does not exist.

I tried doing the way you did. That is:

fid = fopen('C:\abcd.txt','w+');
fprintf(fid, '%s\n', 'SampleText');
fclose(fid)

But I got the expected result without any errors.

Probably you can check if there is any error message with this syntax of fopen:

[fileID,errmsg] = fopen(___)

As mentioned in the doc, the above returns a system-dependent error message if fopen fails to open the file.

Also you can try observing the fid value which is returned,

fid = -1 means it cannot open file

fid = 1 means standard output

fid = 2 means standard error

as per this page

You can comment on this if you would like to share something more about your workflow.

Hope this helps,

Abhiram.

[Elisa Michelini]

Abhiram Bhanuprakash I tried to use your code but unfortunately it did not work; I got the same error of Federico