kk Blog —— 通用基础

puts caller

require 'find'
total_size = 0
Find.find(ENV["HOME"]) do |path|
  if FileTest.directory?(path)
    if File.basename(path)[0] == ?.
      Find.prune       # Don't look any further into this directory.
    else
      next
    end
  else
    total_size += FileTest.size(path)
  end
end

p Time.parse(“2002-03-17”)       #=> Sun Mar 17 00:00:00 +0800[v2] 2002
p Time.now        # =>Mon Oct 20 06:02:10 JST 2003
p Time.now.to_a      # => [10, 2, 6, 20, 10, 2003, 1, 293,false, "JST"]
p Time.now.to_f      # => 1418540681.0154862