ReadData.h

#include<vector>
 
//
// reads delimited data from file; returns data as vector of vectors
//
template <class T>
bool readDataFromFile(std::vector< vector<T> >& data, string fileName)
{
    ifstream file(fileName.c_str());
    if(!file)
        return false;
 
    data.clear();
    string line;
    uint instance = 0;
 
    while(getline(file, line)) {
        vector<T> set;
        data.push_back(set);
        stringstream ss(line);
        T datum;
        while(ss >> datum)
            data[instance].push_back(datum);
        instance++;
    }
 
    return true;
}