Write a program to merge content of two files to third file.

Practical - 36

#include<iostream>
#include<fstream>
using namespace std;
int main()
{
    ifstream i1, i2;
    ofstream o;
    char ch;
    i1.open("test1.txt");
    i2.open("test2.txt");
    if(i1==NULL || i2==NULL)
    {
        cout<<"error\n";
    }
    o.open("test3.txt");
    if(!o)
    {
        cout<<"error in file";
    }
    while(i1.eof()==0)
    {
        i1>>ch;
        o<<ch;
    }
    while(i2.eof()==0)
    {
        i2>>ch;
        o<<ch;
    }
    cout<<"The two files were merged into test3.txt";
    i1.close();
    i2.close();
    o.close();
return 0;
}