COPY CONTENTS OF ONE FILE INTO ANOTHER FILE.

16. Write a program that uses functions to perform the following operations:

            a. To copy contents of one file into another file.

/* COPY CONTENTS OF ONE FILE INTO ANOTHER FILE. */

#include<iostream>

#include<fstream>

#include<string.h>

using namespace std;

int main() 

{

    fstream ifile;

    fstream ofile;

    char fname[30],st[30];

    ofile.open("temp.cpp",ios::out);

    cout<<"\n Enter the existing file name";

    cin>>fname;

    ifile.open(fname,ios::in);

    while(ifile)

        {

            ifile.getline(st,30);

            ofile<<st;

        }

ifile.close();

ofile.close();

cout<<"\n The contents of the copied file are\n";

fstream tfile;

tfile.open("temp.cpp",ios::in);

char str[30];

while(tfile)

    {

       tfile.getline(str,30);

       cout<<str;

     }

}