Simple Ruby script to unzip all files in the current working directory

batch_unzip

#!/usr/bin/env ruby
# Invokes unzip for each file in a given directory
completed_files = Array.new
current_directory = Dir.getwd

Dir.foreach(current_directory) do |file_name|
  if (file_name.include?(".zip") && !completed_files.include?(file_name))
    system("unzip", file_name) 
    completed_files << file_name
  end
end

very useful, thanks
I think there is a missing 'then'
But great to not need an unzipping gem