keep fscanf past wrong format value

Hello, im having this problem with feof function and fscanf. I want to read all the whole numbers but it stops when it reaches something that is not. How can I make it ignore that and keep scanning?

fid = fopen("testdata.txt","r");
a = [];
i = 0;

while ~feof(fid)
    i = i + 1;
    a(i) = fscanf(fid, '%d', 1);
end

Unable to perform assignment because the left and right sides have a different number of elements.

fclose(fid);

[Rik]

Wouldn't you be better off reading the entire file and then matching each line with a regular expression?

Answer 1

[Walter Roberson]

Unless you have integers that might have value outside of +/- 2^53 then there is little point using a %d format. Use a %f format instead: that will accept floating point numbers without any reading problems. You can always check that everything is integer afterwards.