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// reading a file that contains data in wrong format
// Author: H.P.Weber
// Date: 26.06.05
#include <iostream>
using std::cout;
using std::cerr;
using std::endl;
using std::ios;
using std::left;
#include <iomanip>
using std::setw;
#include <fstream>
using std::ifstream;
#include <string>
using std::string;
using std::getline;
int main() {
ifstream inFile( "Demo.txt" );
if( !inFile ) {
cerr << "Datei kann nicht geoeffnet werden.\n";
exit( 1 );
}
string headline;
getline( inFile, headline ); // read header
// input records from file
string stringVariable;
int intVariable1, intVariable2;
while( true ) {
std::ws( inFile ); // remove leading whitespace
getline( inFile, stringVariable, '\t');
inFile >> intVariable1;
inFile >> intVariable2;
if( !inFile.good() ) {
// if not complete, read complete line from buffer
inFile.clear();
string str;
getline( inFile, str, '\n' );
inFile.setstate( ios::failbit );
}
if( inFile.eof() ) break;
if( !inFile.good() ) { // record not complete
cout << "Unvollstaendiger Datensatz" << endl;
inFile.clear();
}
else // record complete
cout << left << setw( 30 ) << stringVariable << setw( 10 ) << intVariable1
<< setw( 10 ) << intVariable2 << endl;
}
inFile.close();
return 0;
}
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