gistfile1.rb

# Clean up open-uri files in /tmp 3 days old or older
# three days = 259200 seconds = 60 * 60 * 24 * 3
THREEDAYS = 259200

files = []
files = ::Dir["/tmp/open-uri*"]

files.each do |f|
  shackserv_owned = ::File.stat(f).uid == 5001
  aged_file = Time.now.to_i - ::File.stat(f).mtime.to_i >= THREEDAYS

  if ( shackserv_owned && aged_file )
    file f do
      action :delete
      backup false
    end
  end
end