text: var fs = require('fs')
  var path = require('path')
  
  module.exports = read
  
  function read(root, filter, files, prefix) {
    prefix = prefix || ''
    files = files || []
    filter = filter || noDotFiles
  
    var dir = path.join(root, prefix)
    if (fs.statSync(dir).isDirectory())
      fs.readdirSync(dir)
      .filter(filter)
      .forEach(function (name) {
        read(root, filter, files, path.join(prefix, name))
      })
    else
      files.push(prefix)
  
    return files
  }
  
  function noDotFiles(x) {
    return x[0] !== '.'
  }
  