belucha

// fun.cpp

extern "C"
{
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
}

#include <iostream>

belucha

require 'digest/md5'

def gfm(text)
  # Extract pre blocks
  extractions = {}
  text.gsub!(%r{<pre>.*?</pre>}m) do |match|
    md5 = Digest::MD5.hexdigest(match)
    extractions[md5] = match
    "{gfm-extraction-#{md5}}"
  end