MATLAB: Question about the textscan on a text file

headerlinestext filetextscan

I tried to use fopen the attached file, textscan, then reshape the matrix i used

fileid = ('filename.txt');
c = textscan ( fileid, '%n %n %n %n','headerlines',5,'delimiter',',')

the number of the elements that matlab read is 614, but my actual matrix from the text is 616. Is there any problem on my code

Best Answer

Change 'headerlines' count to 3

c = textscan ( fid, '%n %n %n %n','headerlines',3,'delimiter',',');

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MATLAB: Concatenate data using fgets

You are closing the file in the loop. close the file after the loop. I assume the below should work.

function read_datapattern(filename)
fid = fopen(filename,'rt');
if fid < 0
  error('error opening file %s\n\n',filename);
end
pattern = fgets(fid);
for n = 1:32767
  nextline = fgets(fid);
  pattern = strcat(pattern, nextline);
fprintf(pattern);
fprintf('\n');
end
fclose(fid);

MATLAB: I want to delete all the headerlines and delimiters from the data in the below attached text file

The best solution is probably to read your entire file as text, then remove the header lines, then parse them with textscan.

Best Answer

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MATLAB: Concatenate data using fgets

MATLAB: I want to delete all the headerlines and delimiters from the data in the below attached text file

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