feof - test a file's end-of-file indicator
file.feof()
The end-of-file indicator for a File may be
tested with the feof() intrinsic method. The
end-of-file indicator can be cleared with the
clearerr() intrinsic method.
Returns true if the end-of-file indicator is
set, false otherwise.
ArgCheck if arguments are specified
TypeCheck if file is not a
File
AccessCheck if
file is closed
while (!io::Input.feof()) {
var ch = getchar();
if (ch != io::EOF) putchar(ch);
}