DotObject.prototype.pick = function (path, obj, remove, reindexArray) {
  var i
  var keys
  var val
  var key
  var cp

  keys = parsePath(path, this.separator)
  for (i = 0; i < keys.length; i++) {
    key = parseKey(keys[i], obj)
    if (obj && typeof obj === 'object' && key in obj) {
      if (i === keys.length - 1) {
        if (remove) {
          val = obj[key]
          if (reindexArray && Array.isArray(obj)) {
            obj.splice(key, 1)
          } else {
            delete obj[key]
          }
          if (Array.isArray(obj)) {
            cp = keys.slice(0, -1).join('.')
            if (this.cleanup.indexOf(cp) === -1) {
              this.cleanup.push(cp)
            }
          }
          return val
        } else {
          return obj[key]
        }
      } else {
        obj = obj[key]
      }
    } else {
      return undefined
    }
  }
  if (remove && Array.isArray(obj)) {
    obj = obj.filter(function (n) {
      return n !== undefined
    })
  }
  return obj
}
The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.