## sample c++ applicaion #include #include #include #include #include #include using namespace std; int main() { ifstream ifs( "data.csv" ); string temp; int pos=0; while( getline( ifs, temp ) ) { pos =temp.find (","); pos =temp.find (",",pos+1); pos =temp.find (",",pos+1); pos =temp.find (",",pos+1); pos++; if( temp.find("9000 MING",pos) ==pos ) cout << temp << endl; } }