Re: Error while opening a .txt file

[Markus Mützel]

Am 07. Juni 2020 um 11:36 Uhr schrieb "Ganesh Kini":
> Hi i was trying to run this code for the first time
> 
> fid = fopen ('data.txt');
> data = textscan (fid, '% f', 'HeaderLines', 5);
> period_arr = data {1};
> fclose (fid);
> 
> error
> >> test
> Error using textscan
> Invalid file identifier. Use fopen to generate a valid file identifier.
> 
> Error in test (line 2)
> data = textscan (fid, '% f', 'HeaderLines', 5);
> 
>
> Please help me
>

Did you try querying the message returned by "fopen"?
[fid, msg] = fopen ('data.txt')

What does it say?

Markus