47 lines
879 B
C++
47 lines
879 B
C++
|
Appending to the End of a File
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
#include <fstream>
|
||
|
|
using namespace std;
|
||
|
|
int main(){
|
||
|
|
char fileName[80];
|
||
|
|
char buffer[255];
|
||
|
|
cout << "Please re-enter the file name: ";
|
||
|
|
cin >> fileName;
|
||
|
|
|
||
|
|
ifstream fin(fileName);
|
||
|
|
if (fin){
|
||
|
|
char ch;
|
||
|
|
while (fin.get(ch))
|
||
|
|
cout << ch;
|
||
|
|
}
|
||
|
|
fin.close();
|
||
|
|
|
||
|
|
cout << "in append mode...\n";
|
||
|
|
|
||
|
|
ofstream fout(fileName,ios::app);
|
||
|
|
if (!fout)
|
||
|
|
{
|
||
|
|
cout << "Unable to open for appending.\n";
|
||
|
|
return(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
cout << "\nEnter text for the file: ";
|
||
|
|
cin.ignore(1,'\n');
|
||
|
|
cin.getline(buffer,255);
|
||
|
|
fout << buffer << "\n";
|
||
|
|
fout.close();
|
||
|
|
|
||
|
|
fin.open(fileName);
|
||
|
|
if (!fin)
|
||
|
|
{
|
||
|
|
cout << "Unable to open for reading.\n";
|
||
|
|
return(1);
|
||
|
|
}
|
||
|
|
char ch;
|
||
|
|
while (fin.get(ch))
|
||
|
|
cout << ch;
|
||
|
|
fin.close();
|
||
|
|
return 0;
|
||
|
|
}
|