class EOFError
Raised by some IO operations when reaching the end of file. Many IO methods exist in two forms,
one that returns nil
when the end of file is reached, the
other raises EOFError EOFError
.
EOFError
is a subclass of IOError
.
file = File.open("/etc/hosts") file.read file.gets #=> nil file.readline #=> EOFError: end of file reached