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| From: | Brian Inglis <Brian DOT Inglis AT SystematicSW DOT Invalid> |
| Newsgroups: | comp.os.msdos.djgpp |
| Subject: | Re: file I/O |
| Organization: | Systematic Software |
| Message-ID: | <qt0oj0tr85nvnhkl9sp5s27tee45a1ukre@4ax.com> |
| References: | <20040904180941 DOT 51563 DOT qmail AT web20223 DOT mail DOT yahoo DOT com> |
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| Lines: | 31 |
| Date: | Mon, 06 Sep 2004 06:34:32 GMT |
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| NNTP-Posting-Date: | Mon, 06 Sep 2004 00:34:32 MDT |
| To: | djgpp AT delorie DOT com |
| DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
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On Sat, 4 Sep 2004 11:09:41 -0700 (PDT) in comp.os.msdos.djgpp,
pradyut bhattacharya <pradyut100 AT yahoo DOT com> wrote:
>i have written on object I/O
>
>the code : -
>
>----------------------------------------------------------------------------------------------
>#include <fstream>
>#include <iostream>
>
>using namespace std;
>int main()
>{
> ofstream Sfil("studfile.dat");
You're creating a new file each time the program runs; you might want
to try using:
fstream Sfil("studfile.dat",
ios::in | ios::out | ios::app | ios::nocreate);
and if it throws an exception, retry with:
fstream Sfil("studfile.dat",
ios::in | ios::out | ios::app | ios::noreplace);
or vice versa.
--
Thanks. Take care, Brian Inglis Calgary, Alberta, Canada
Brian DOT Inglis AT CSi DOT com (Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca)
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