xyzrgb2yxzrgb

/***************************************************************************:::
 xyzrgb2yxzrgb
    21/08/2016
 *******************************************************************************/

#include <fstream>
#include <iostream>
#include<iomanip>
#include<sstream>

using namespace std;

int main ( int argc, char *argv[] )
{
    if ( argc != 3 ) // argc should be 2 for correct execution
    // We print argv[0] assuming it is the program name
    cout<<"usage: "<< argv[0] <<" <filename>\n";
    // else
    // {
        // We assume argv[1] is a filename to open

        // Always check to see if file opening succeeded
        // if ( !ifs.is_open() || !ofs.is_open() )
          // cout<<"Could not open file\n";
        // else
        // {
          // char x;
          // the_file.get ( x ) returns false if the end of the file
           // is reached or an error occurs
          // while ( the_file.get ( x ) )
            // ifs.get ( x );
            // cout<< "file is opened"<<endl;
        // }
        // the_file is closed implicitly here
    // }

    ifstream ifs ( argv[1] );
    ofstream ofs ( argv[2] );

    string line;

    while(getline(ifs,line))
    {
        double x,y,z;
        int r,g,b;

        istringstream is(line);

        is >> x >> y >> z >> r >> g >> b;
        ofs<<fixed<<showpoint;
        ofs<< setprecision( 3 )<<y <<" "<< x <<" "<<z<<" "<<r<<" "<<g<<" "<<b<<endl;
        //ofs<< setprecision( 3 )<<y <<" "<< x <<" "<<z;
        //ofs<<" "<<r<<" "<<g<<" "<<b<<endl;
    }

    ifs.close();
    ofs.close();

    cout << "-----finished------" << endl;

    return 0;

}