/* Program to illustrate global file references and open() method */
	#include <iostream>
	#include <fstream>
	#include <string>
	using namespace std;

    //function prototypes
    void change(string &str);

    //global declarations
	ifstream infile;
	ofstream outfile;
    
	int main()
	{
		string line;

        // open input file
		infile.open("c:\\bc\\cis1_5\\newpgms\\chapter8\\myinput.txt"); //comment-out for debugging
//        infile.open("con");                    //un-comment for debugging
        
        // open output file
//		outfile.open("c:\\bc\\cis1_5\\newpgms\\chapter8\\myoutput.txt"); //comment-out for debugging
        outfile.open("con");                    //un-comment for debugging
        
		while (getline(infile, line))
		{
			change(line);
			outfile << line << endl;
		}

        infile.close();                             //close input file
        outfile.close();                            //close output file
        
		system("pause");
		return 0;
	}

    void change(string &str)
    {
         str += 's';
         return;
    }