// ReadAndPrecess.cpp
// tom bailey   8 sep 08

// Read and process a list of numbers.

#include <string>
using std::string;
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
#include <fstream>
using std::ifstream;

int main()
{
	// Read a list of zero or more numbers.
	// The file has nothing else in it.
	// Use the standard read, check, process form.

	string filename;
	cout << "Enter file name: ";
	cin >> filename;

	ifstream infile( filename.c_str() );
	if( ! infile ) {
		cout << "failed to open " << filename << endl;
		abort();
	}

	int numCount = 0;
	int largest;
	int number;
	infile >> number;
	if( infile ) {
		largest = number;
		++numCount;
		
		infile >> number;
		while( infile ) {
			++numCount;
			if( number > largest ) {
				largest = number;
			}

			infile >> number;
		}
	}

	cout << numCount << " numbers read from " << filename << endl;
	if( numCount > 0 ) {
		cout << "largest number read was " << largest << endl;
	}

	return 0;
}