method

extname

v1_8_7_330 - Show latest stable - Class: Pathname

extname()

public

See File.extname. Returns the file’s extension.

# File lib/pathname.rb, line 850
  def extname() File.extname(@path) end

wezm · Nov 24, 2010

Returns the extension including the '.'.

E.g.

Pathname("/path/to/file.rb").extname
#=> ".rb"