Yurttas/PL/OOL/Cplusplus/F/07/06/01/00/get vector item.cpp

 1/*
 2   Copyright(C) 2002
 3   All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
 4
 5   Permission to use, copy, modify, and distribute this
 6   software and its documentation for EDUCATIONAL purposes
 7   and without fee is hereby granted provided that this
 8   copyright notice appears in all copies.
 9  
10   date   : January 1, 2002.
11   author : Salih Yurttas.
12
13   get_vector_item.cpp
14*/
15
16
17#include "get_put_vector_item.h"
18
19template<class T>
20void get_vector_item(vector<T>& list) {
21  string filename;
22
23  cout << endl;
24  cout << "--> input filename : ";
25  cin >> filename;
26
27  ifstream f_in(filename.c_str());
28
29  if(!f_in) {
30    cerr << "File named as " << filename << " is not opened for input." << endl;
31    exit(1);
32  }
33  else {
34    T v;
35    while(f_in>>v)
36      list.push_back(v);
37  }
38
39  f_in.close();
40}