The Big Programming Thread - Page 88

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

int main()
{
	string filename = "inventory.txt";
	ifstream inFile;
	string partnum;
	double initialamnt = 0;
	double qntysold = 0;
	double minamnt = 0;
	double currentbalance = 0;
	double minlevel;
	
	

	
	inFile.open(filename.c_str());   //opens the file
	
	if (inFile.fail())
	{
		cout << "The file was not successfuly opened" << endl;
		exit(1);
	}
	
	inFile >> partnum >> initialamnt >> qntysold >> minamnt;
	while (inFile.good())
	{
		currentbalance = (initialamnt - qntysold);
		cout << partnum << " " << currentbalance << " " << qntysold << " " << minamnt << endl;
		inFile >> partnum >> currentbalance >> qntysold >> minamnt;
		currentbalance = 0;
		initialamnt = 0;
		qntysold = 0;
	}
	
	inFile.close();
	
	return 0;
	
}