sn_TSV_to_vector.cpp

#include <fstream>
#include <vector>
#include <string>
#include <iostream>

template<typename T>inline std::vector< std::vector<T> >
    tsv2Vrector(const std::string &filename, const int &num_column)
{       
    std::vector< std::vector<T> > table;
    ifstream ifs;
    ifs.open(fileName.c_str());
    
    if(!ifs){
        cerr << "Can't open "+fileName+"!\n";
    } else {
        cout << "Opened "+fileName+"." << endl;
        
        // remove if no label.
        std::string label;
        for(int i=0; i<num_column; ++i) ifs >> label >> label;
        
        while(!ifs.eof()){
            vector<T> row;
            for(int i=0; i<num_column; ++i){
                T field;
                ifs >> field;
                row.push_back(field);
            }
            table.push_back(row);
            
            
            // test
            cout.setf(ios::fixed, ios::floatfield);
            cout << row[0] << " " << row[1] << endl;
        }
            
        ifs.close();
        cout << "closed "+fileName+"." << endl;
    }
    return table;
}