Re: Reading text file with CStdioFile.ReadString

From:
"Gerry Murphy" <gerrymurphy429@yahoo.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Fri, 5 May 2006 11:08:17 -0400
Message-ID:
<OS7OAXFcGHA.4892@TK2MSFTNGP02.phx.gbl>
"David Wilkinson" <no-reply@effisols.com> wrote in message
news:enzByuDcGHA.4932@TK2MSFTNGP03.phx.gbl...

Ed Ardzinski wrote:

I'm trying to read a text file using CStdioFile, and finally got it to
work about right...not sure what I was missing, but eventually I got all
the lines into a string and was able to set the window text of my
CRichEditView with this

CStdioFile file;
file.Open(fname,CFile::modeRead|CFile::typeText);

CString stext;
CString buffer;

while (file.ReadString(stext) != FALSE)
{
buffer += stext;
buffer += "\n";
file.ReadString(stext);

}
file.Close();

SetWindowText(buffer);

The issues I have is that the LAST line of the text file seems to get an
extra space added to the beginning of the line. Given I struggled to get
this far in what *should* be a near trivial exercise, I must be missing
something.

From what I read in the documentation, the CString version of ReadString
does NOT return the end of line character. So that's why I add it. But
why would the LAST line get and extra space at the START of the line, and
no other line is changed???

Thanks for any insight. VC++ 6.0 on Win XP home, if that matters...


Ed:

Why are you calling ReadString() twice? Seems to me you are capturing only
every other line?

Personally, I do not like the idiom "!= FALSE'. I think it in fact works,
but "== TRUE" is not guaranteed to work because TRUE is defined to be 1
and other non-zero values might indicate a true value.

David Wilkinson


What's wrong with simply writing

while (file.ReadString(stext)...

Sorry, superfluous boolean testing is one of my hot buttons.

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