Detection of the end-of-file condition is necessary for preventing any further attempt to
read data from the file.
An
ifstream object, such as
fin, returns a value of 0 if any error occurs in the file operation including the end-of-file condition. Thus, the
while loop terminates when
fin returns a value of zero on reaching the end-of-file condition. Remember, this loop may terminate due to other failures as well......There is another approach to detect the end-of-file
condition.
If(fin1
.eof
() != 0) {exit(1);} is a member function of ios class. It returns a non-zero value if the end-of-file(EOR) condition
is encountered and a zero, otherwise. Therefore, the above statement terminates
the program on reaching the end of the file.
