Restore dates lost copying wiki pages

utime.rb

# This script reads all pages in a repository and sets each file's last modification date
# based on dates found in the Journal. 

require 'json'

early = 1335324580000
Dir.glob('../pages/*') do |path|
	File.open(path) do |file|
		page = JSON.parse file.read
		epoch = page['journal'].last['date'] || early
		time = Time.at(epoch/1000)
		puts "#{time}\t#{path}"
		File.utime time, time, path
	end
end