ARGF.file â IO or File object
Instance Public methods
Returns the current file as an IO or File object.
#<IO:<STDIN>> is returned when the current file is STDIN.
For example:
$ echo "foo" > foo
$ echo "bar" > bar
$ ruby argf.rb foo bar
ARGF.file #=> #<File:foo>
ARGF.read(5) #=> "foo\nb"
ARGF.file #=> #<File:bar>