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// Praktikum 4.1 using an associative container (std::map)
// Author: Hans-Peter Weber
// Date: 20.02.04
#pragma warning( disable: 4786 )
#include <iostream>
using std::cout;
using std::cerr;
using std::endl;
using std::ios;
#include <string>
using std::string;
#include <fstream>
using std::ifstream;
using std::ofstream;
#include <map>
int main()
{
typedef std::map< string, int > stringMap;
stringMap words;
string s;
int numberOfWords = 0;
ifstream in( "Max.txt" );
if( !in ) {
cerr << "Datei konnte nicht geoeffnet werden." << endl;
exit( 1 );
}
// fill map 'words' with all words contained in file (implicitly sorted) and their frequencies
while( in >> s ) {
++words[ s ];
numberOfWords++;
}
in.close();
// store words and frequencies in text file
ofstream out( "WordList.txt", ios::app );
if( !out ) {
cerr << "Datei konnte nicht geoeffnet werden." << endl;
exit( 1 );
}
string mapElement;
for( stringMap::const_iterator wordIterator = words.begin();
wordIterator != words.end(); ++wordIterator ) {
mapElement = wordIterator->first;
mapElement.resize( 20, '.' );
// cout << mapElement << wordIterator->second << endl;
out << mapElement << wordIterator->second << endl;
}
out.close();
cout << "Woerter in der Datei: " << numberOfWords << endl
<< "unterschiedliche Woerter: " << words.size() << endl << endl;
return 0;
}
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