Error while opening a .txt file

[Ganesh Kini]

Hi i was trying to run this code for the first time

fid = fopen ('data.txt');

data = "" (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 = "" (fid, '% f', 'HeaderLines', 5);

Please help me

data.txt
Description: Text document