--- Lars Finsen <[EMAIL PROTECTED]> wrote:
> Den 8. feb. 2007 kl. 15.21 skrev Paul Herring:
> >
> > It is very rare that you should be using EOF
> functions directly in a C
> > or C++ program - you should instead be checking
> for an error in the
> > reading of data from a file. Then, and only then,
> should you be using
> > the EOF functions to determine if indeed it is the
> end of the file (or
> > someone's removed the floppy disc from the drive
> etc.)
>
> Why is that? I've always used it when reading from a
> text file.
> Checking for other errors usually isn't necessary.
>
> > Show your code!
>
> It's very simple. Essentially it goes like this:
Copy and paste actual code, not "essentially" similar
code. You coould have made a change in what you
submitted vs what your actual code has and therefore
we would miss the error.
Ray
>
> ifstream(filename) ui;
> while(!ui.eof())
> {
> if(baner==NULL) baner = b = new bane;
> else { b->neste = new bane; b=b->neste; }
> ui >> b->fork >> b->type >>....>> b->ist;
> }
> ui.close();
>
> It reads all the actual lines correctly, but then
> goes on to read
> endless null lines. The file does contain linefeeds,
> but as far as I
> have understood, these are skipped when the skipws
> flag is set, which
> (as far as I have understood) it is by default.
>
> I am trying to convert from a half-automated system
> using MS Excel by
> converting the Excel table to text and reading the
> text file into the
> C++ program. Not quite decided on how to store the
> data in the C++
> system yet. It consists of several tables,
> corresponding to several
> classes in C++.
>
> LEF
>
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