go sample

sample.go

func main() {
   flag.Parse()

  for _, filename := range flag.Args() {
    if isDir(filename) {
      lintDir(filename)
    } else {
      lintFile(filename)
    }
  }
}

func isDir(filename string) bool {
  fi, err := os.Stat(filename)
  return err == nil && fi.IsDir()
}

func lintFile(filename string) {
  src, err := ioutil.ReadFile(filename)
  if err != nil {
    log.Printf("Failed reading %v: %v", filename, err)
    return
  }
  l := new(lint.Linter)
  ps, err := l.Lint(filename, src)
  if err != nil {
    log.Printf("Failed parsing %v: %v", filename, err)
    return
  }
  for _, p := range ps {
    if p.Confidence >= *minConfidence {
      fmt.Printf("%s:%v: %s\n", filename, p.Position, p.Text)
    }
  }
}