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