melwin

require 'fileutils'
require 'date'
require 'yaml'
require 'rexml/document'
include REXML


doc = Document.new File.new(ARGV[0])

FileUtils.mkdir_p "_posts"

melwin

def binsearch(ar, v, s=0, e=ar.length)
  #if we have an empty slice, return nil
  return nil if s >= e

  #if we have a slice with one element, return index if it's the value else nil
  return ar[s] == v ? s : nil if e-s == 1

  #get pivot as average of start and end
  pivot = (e+s) / 2