Fgetl in a while loop.

In the code in the attached picture, does the first fgetl read the first line (Apple) and str2num(fgetl(file) read the second line (65.1)?

4 Comments

Stephen23
Stephen23 on 3 Apr 2017
Edited: Stephen23 on 3 Apr 2017
You could very easily try it yourself: create that file, and write out that code. Then you would know what it does, you would gain experience with MATLAB, and you would have some working code. The more you try yourself, the more you read the documentation, the more you will learn.
As an aside: do not use str2num, the function str2double is more robust.
Jan
Jan on 3 Apr 2017
fscanf is even smarter than str2double(fgetl).
I was provided the code to study from and yes I did test it, but I was still confused as to why it works. I am trying to see if that is why this code works so I know for the future.
I am still shaky using fgetl

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Answers (1)

Walter Roberson
Walter Roberson on 4 Apr 2017

0 votes

"does the first fgetl read the first line (Apple) and str2num(fgetl(file) read the second line"
Yes.
Question for you: what name is going to be reported if the file is empty?

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