Question

Write a program that copies contents of one file into another file.

Answer 1

Assuming input file to be copied file1.txt contents are “Hello Friends…” and file where the contents need to copy is file2.txt already created 

#include<iostream.h>

#include<conio.h>

#include<fstream.h>

#include<stdio.h>

#include<stdlib.h>

void main()

{

clrscr();

ifstream fs;

ofstream ft;

char ch, fname1[20], fname2[20];

cout<<"Enter source file name with extension (like files.txt) : ";

gets(fname1);

fs.open(fname1);

if(!fs)

{

cout<<"Error in opening source file..!!";

getch();

exit(1);

}

cout<<"Enter target file name with extension (like filet.txt) : ";

gets(fname2);

ft.open(fname2);

if(!ft)

{

cout<<"Error in opening target file..!!";

fs.close();

getch();

exit(2);

}

while(fs.eof()==0)

{

fs>>ch;

ft<<ch;

}

cout<<"File copied successfully..!!";

fs.close();

ft.close();

getch();

}