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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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Date: | Mon, 06 Sep 2004 06:34:32 GMT |
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To: | djgpp AT delorie DOT com |
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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) fake address use address above to reply
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