#include "stlexam.h" #pragma hdrstop /*************************************************************************** * * fstream.cpp - fstream example * See Class Reference Section * *************************************************************************** * * (c) Copyright 1994, 1998 Rogue Wave Software, Inc. * ALL RIGHTS RESERVED * * The software and information contained herein are proprietary to, and * comprise valuable trade secrets of, Rogue Wave Software, Inc., which * intends to preserve as trade secrets such software and information. * This software is furnished pursuant to a written license agreement and * may be used, copied, transmitted, and stored only in accordance with * the terms of such license and with the inclusion of the above copyright * notice. This software and information or any other copies thereof may * not be provided or otherwise made available to any other person. * * Notwithstanding any other lease or license that may pertain to, or * accompany the delivery of, this computer software and information, the * rights of the Government regarding its use, reproduction and disclosure * are as set forth in Section 52.227-19 of the FARS Computer * Software-Restricted Rights clause. * * Use, duplication, or disclosure by the Government is subject to * restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in * Technical Data and Computer Software clause at DFARS 252.227-7013. * Contractor/Manufacturer is Rogue Wave Software, Inc., * P.O. Box 2328, Corvallis, Oregon 97339. * * This computer software and information is distributed with "restricted * rights." Use, duplication or disclosure is subject to restrictions as * set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial * Computer Software-Restricted Rights (April 1985)." If the Clause at * 18-52.227-74 "Rights in Data General" is specified in the contract, * then the "Alternate III" clause applies. * **************************************************************************/ // // stdlib/examples/manual/fstream.cpp // #include #include int main ( ) { #ifndef _RWSTD_NO_NAMESPACE using namespace std; #endif // create a bi-directional fstream object fstream inout("fstream.out",ios_base::in | ios_base::out | ios_base::trunc); // output characters inout << "Das ist die rede von einem man" << endl; inout << "C'est l'histoire d'un home" << endl; inout << "This is the story of a man" << endl; char p[100]; // seek back to the beginning of the file inout.seekg(0); // extract the first line inout.getline(p,100); // output the first line to stdout cout << endl << "Deutch :" << endl; cout << p; fstream::pos_type pos = inout.tellg(); // extract the seconf line inout.getline(p,100); // output the second line to stdout cout << endl << "Francais :" << endl; cout << p; // extract the third line inout.getline(p,100); // output the third line to stdout cout << endl << "English :" << endl; cout << p; // move the put sequence before // the second line inout.seekp(pos); // replace the second line inout << "This is the story of a man" << endl; // replace the third line inout << "C'est l'histoire d'un home"; // seek to the beginning of the file inout.seekg(0); // output the all content of the // fstream object to stdout cout << endl << endl << inout.rdbuf(); cout << endl; return 0; }