https://github.com/jgsme/log/pull/10

convert.coffee

fs = require 'fs'

fs.readdir 'posts', (err, files)-> files.forEach (filename)-> fs.readFile "posts/#{filename}", (err, file)->
  text = file.toString().split('\n')
  title = /title: "(.*)"/.exec(text[1])[1]
  output = [].concat(["# #{title}", ''], text.slice(7)).join('\n')
  fs.writeFile "posts/#{filename}", output, (err)-> if err? then console.log filename, err else console.log "convert success: #{filename}"