go判断远程文件是否存在RemoteFileExist

func IsFileExist(filepath string) bool {
   // if remote file is
   // ls -l | grep aa | wc -l
   fileName := path.Base(filepath) // aa
   fileDirName := path.Dir(filepath)
   fileCommand := fmt.Sprintf("ls -l %s | grep %s | wc -l", fileDirName, fileName)
   data := strings.Replace(String("/bin/sh", "-c", fileCommand), "\r", "", -1)
   data = strings.Replace(data, "\n", "", -1)
   count, err := strconv.Atoi(strings.TrimSpace(data))
   defer func() {
      if r := recover(); r != nil {
         logger.Error("[os][%s]RemoteFileExist:%s", filepath, err)
      }
   }()
   if err != nil {
      panic(1)
   }
   return count != 0
}