Check if directory is empty in Ruby

Question

How can I check to see if a directory is empty or not in Ruby? Is there something like:

Dir.exists?(\"directory\")

(I know that that functi

Answer 1

An empty directory should only have two links (. and ..). On OSX this works:

File.stat('directory').nlink == 2

...but does not work on Linux or Cygwin. (Thanks @DamianNowak) Adapting Pan's answer:

Dir.entries('directory').size == 2

should work.