5 replies to this topic

[kuang]

C++.......as stated above...thanks for any answer

[Alexander]

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
using namespace std;

int main()
{
   ifstream file( "items.txt" ) ;
   string line ;
   vector<string> lines ;
   while( getline( file, line ) ) lines.push_back( line ) ;
   cout << "#items: " << lines.size() << '\n' ;
}

[kuang]

if i don want to use string and vector?becauce we not yet learn vector

[mebob]

Just input each "item" into a variable, increment a counter, and loop through that until EOF is found.

[kuang]

if we do not know what is the item in the external file,what should we do to calculate the total number of items?

[Flying Dutchman]

Read it as binary data and count new lines? Does this work?