Thread: Start fgets at nth line?

There is no standard way to do that - if you know the size of your lines, it is POSSIBLE that you could use fseek() to get to the nth line. But the common way to get to the nth line is to simply read n lines using (for example) fgets.

Edit: And before someone else points it out, yes, fseek() on text-files is undefined for all but either: values got from ftell() or 0, and only SEEK_SET is defined under these circumstances. Using any other variation on fseek() is undefined, and may work, or may crash the system, or do something else [most likely some arbitrarily "wrong" thing, or nothing]

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Mats

Thanks, I'll have a look at fseek, though the size of the lines I want to miss can vary from file to file. I guess if reading those lines with fgets works, then I'll just do that.

Originally Posted by bertazoid

Thanks, I'll have a look at fseek, though the size of the lines I want to miss can vary from file to file. I guess if reading those lines with fgets works, then I'll just do that.

fgets n times with a long enough buffer should be the right thing to do in this case.

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Mats