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instance method

ARGF#filename

ARGF.filename → String

static VALUE
argf_filename(VALUE argf)
{
    next_argv();
    return ARGF.filename;
}

Returns the current filename. “-” is returned when the current file is STDIN.

For example:

$ echo "foo" > foo
$ echo "bar" > bar
$ echo "glark" > glark

$ ruby argf.rb foo bar glark

ARGF.filename  #=> "foo"
ARGF.read(5)   #=> "foo\nb"
ARGF.filename  #=> "bar"
ARGF.skip
ARGF.filename  #=> "glark"

See also #file #fileno #external_encoding #getbyte also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0

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