+++ /dev/null
-#!/usr/bin/ruby
-
-# Make sure the record separator is zero rather than new-line
-$/ = "\0"
-
-# Create a set of backup dates
-require 'set'
-dates = SortedSet.new
-
-# Split each input record into 8 fields on spaces and grab the 7th as integer
-date_array = ARGF.map { |rec| rec.split( ' ', 8 )[6].to_i }
-
-# Merge the dates into the set
-dates.merge date_array
-
-# Output the sorted set
-puts dates.to_a