Question

how to use EOF to read a file in C++,

Answer 1

A check for EOF is often part of a conditional, such as during a loop.

Answer 2

im not sure how to use it, in PASCAL we use
while not eof do begin
read(...);
...;
end;

is it the same in C++?

Answer 3

yes

while (char != EOF)
{
//stuff
}

Answer 4

C idiom:

while ((c = getchar()) != EOF)
{
//stuff
}

Answer 5

thanks a lot!

Answer 6

In c++ it is just like fstream f(.....); if(f.eof())
in C++ eof() return a true value if file reading is over else it returns false