Is there a way in Matlab to determine the number of lines in a file without looping through each line?

Question

Obviously one could loop through a file using fgetl or similar function and increment a counter, but is there a way to determine the number of lines in a file without

Answer 1

You can read the entire file at once, and then count how many lines you've read.

fid = fopen('yourFile.ext');

allText = textscan(fid,'%s','delimiter','\n');

numberOfLines = length(allText{1});

fclose(fid)