From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_07.cpp | 78 ++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_07.cpp (limited to 'Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_07.cpp') diff --git a/Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_07.cpp b/Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_07.cpp new file mode 100644 index 0000000..7067985 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/4_ch14/Fig14_07.cpp @@ -0,0 +1,78 @@ +// Fig. 14.7: fig14_07.cpp +// Reading and printing a sequential file. +#include + +using std::cout; +using std::cin; +using std::ios; +using std::cerr; +using std::endl; +using std::left; +using std::right; +using std::fixed; +using std::showpoint; + +#include + +using std::ifstream; + +#include + +using std::setw; +using std::setprecision; + +#include // exit prototype + +void outputLine( int, const char * const, double ); + +int main() +{ + // ifstream constructor opens the file + ifstream inClientFile( "clients.dat", ios::in ); + + // exit program if ifstream could not open file + if ( !inClientFile ) { + cerr << "File could not be opened" << endl; + exit( 1 ); + + } // end if + + int account; + char name[ 30 ]; + double balance; + + cout << left << setw( 10 ) << "Account" << setw( 13 ) + << "Name" << "Balance" << endl << fixed << showpoint; + + // display each record in file + while ( inClientFile >> account >> name >> balance ) + outputLine( account, name, balance ); + + return 0; // ifstream destructor closes the file + +} // end main + +// display single record from file +void outputLine( int account, const char * const name, + double balance ) +{ + cout << left << setw( 10 ) << account << setw( 13 ) << name + << setw( 7 ) << setprecision( 2 ) << right << balance + << endl; + +} // end function outputLine + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file -- cgit v1.2.3