void
File::operator- ()
{
char c; // f2 will be this
fp.open(fn,ios::in);
int temp = fp.rdstate();
cout <<endl<< "after opening in read mode ; " <<temp;
if(temp != 0)
{
fp.clear();
}
fp.close();
fp.open (fn, ios::in | ios::out);
int t = fp.rdstate ();
cout << "\n In oprt - t=" << t;
if (t == 0)
{
fp.seekg (0, ios::beg);
while (1)
{
fp.get (c);
cout <<endl<< "c = " << c;
if (fp.eof ())
break;
if (!fp.eof ())
{
if (c >= 'A' && c <= 'Z')
{
/*
AbCFdEGGD
*/
c += 32;
fp.seekg (-1, ios::cur);
fp.put (c);
int temp = fp.rdstate();
cout << endl<<"after putting '" << c << "' into file : "<<temp;
getchar();
}
else if (c >= 'a' && c <= 'z')
{
c -= 32;
fp.seekg (-1, ios::cur);
fp.put (c);
int temp = fp.rdstate();
cout << endl<<"after putting '" << c << "' into file : "<<temp;
getchar();
}
}
}
fp.close ();
}
}
void checkstatus(fstream &sts)
{
ios::iostate i;
i = sts.rdstate();
if (i & ios::eofbit)
{
cout << "EOF encountered \n";
}
else if (i & ios::failbit)
{
cout << "Non-Fatal I/O encountered\n";
}
else if (i & ios::badbit)
{
cout << "Error I/O encountered\n";
}
}
void
File::display ()
{
char c;
fp.clear();
fp.open (fn, ios::in);
int t = fp.rdstate ();
if (t != 0)
{
cout << "\n\t\tFile is not created yet, please create";
}
else
{
fp.seekg (0, ios::beg);
while (!fp.eof ())
{
fp.get (c);
if (!fp.eof ())
cout << c;
}
}
fp.close ();
}
