How can I find out the name of the owner of a file?

Question

linux

How to find out the name of the owner of the desired file using golang?

Answer 1

import (
    "fmt"
    "os"
    "os/user"
    "syscall"
)
func fileUserName(filename string) (username string, err error) {
  stat, err := os.Stat(filename)
  if os.IsNotExist(err) {
    return
  }
  uid := stat.Sys().(*syscall.Stat_t).Uid
  User, _ := user.LookupId(fmt.Sprint(uid))
  username = User.Username
  return
}