error using textscan with csv files

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C.G.
C.G. on 16 Feb 2022
Answered: Walter Roberson on 16 Feb 2022
I have been given a code to process some data in a csv file. When I run this I get the error below. Can anybody help?
fid = fopen('time.csv');
out = textscan(fid,'%s %f %f %s','delimiter',',','headerlines',1);
fclose(fid);
Error using textscan
Invalid file identifier. Use fopen to generate a valid file identifier.

Answers (1)

Walter Roberson
Walter Roberson on 16 Feb 2022
The fopen failed. The file does not exist in the matlab path, or you do not have permission. if you used the two-output form of fopen you would get a message about why it failed.

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