Source Code : Program On Filemerge

//.............Program On Filemerge.cpp……//

/*MEGING  OF TWO FILES INTO 3rd*/

#include

//#include

#include

#include

//using namespace std;

int main()

{

  clrscr();

  ifstream file1("demo.cpp");

  if(file1.fail())

  {

  cout<<"Cannot open file1";

  //getch();

  //return;

  }

  char ch;

  ofstream file3("123.cpp");

  if(file3.fail())

  {

  cout<<"cannot open destination file";

  //getch();

  //return;

  }

  {

  while(ch!=EOF)

  {

  ch=file1.get();

  if(ch==EOF)

  break;

  //cout<

  file3.put(ch);

  }

  //ch='a';

  file1.close();

  file3.close();

  file3.open("123.cpp",ios::app);

    ifstream file2("dat.cpp");

  if(file2.fail())

  {

  cout<<"Cannot open file2";

    //  getch();

  //return 0;

  }

  char ch1;

  do

  {

  ch1=file2.get();

  file3.put(ch1);

  //cout<

  }while(ch1!=EOF);

  ch='a';

    file2.close();

  file3.close();

  ifstream file("123.cpp");

  cout<<"\n\n...........Content of file 3 ARE......................\n\n";

  while(ch!=EOF)

  {

  ch=file.get();

  cout<

  }

  }

  cout<<"\n\n\n\t\tPRESS  ANY  KEY  TO  EXIT";

  getch();

return 0;

}//end main()