file already exists
can anybody tell me how to check if a file exists or not, while creating a new file, and if it does it displays "ALREADY EXISTS".
f1.open(fname,ios::noreplace);
if(!f1)
cout<<"CREATED";
else
cout<<"ALREADY EXISTS";
this is not correct, i think.
also hows' creatnew() in io.h diff from the above.
-
noreplace causes open() to fail if file already exists.
!fin means ifstream isn't open.
therefore I think it should be
f1.open(fname,ios::noreplace);
if(!f1)//fin failed to open
cout<<"ALREADY EXISTS";
else
cout<<"CREATED";
thanks, never thought of that it should be vice-versa.
i'll try that.
-
