代码片段仓库

func formatTime(t time.Time) string {
	return t.Format("2006-01-02 15:04:05")
}

func removeDups(s []string) []string {
	k := make(map[string]bool)
	for , v := range s {
		k[v] = true
	}

	result := []string{}
	for key := range k {
		result = append(result, key)
	}
	return result
}

func getEnv(envStr, defaultVal string) string {
	if val, exists := os.LookupEnv(envStr); exists {
		return val
	}
	return defaultVal
}

func listFiles(path string) ([]string, error) {
	var files []string
	err := filepath.Walk(path, func(path string, info os.FileInfo, err error) error {
		if !info.IsDir() {
			files = append(files, path)
		}
		return nil
	})
	return files, err
}

func compressFile(src, dst string) error {
	in, err := os.Open(src)
	if err != nil {
		return err
	}
	defer in.Close()

	out, err := os.Create(dst)
	if err != nil {
		return err
	}
	defer out.Close()

	gz := gzip.NewWriter(out)
	defer gz.Close()

	_, err = io.Copy(gz, in)
	return err
}

func decompressFile(src, dst string) error {
	in, err := os.Open(src)
	if err != nil {
		return err
	}
	defer in.Close()

	gz, err := gzip.NewReader(in)
	if err != nil {
		return err
	}
	defer gz.Close()

	out, err := os.Create(dst)
	if err != nil {
		return err
	}
	defer out.Close()

	_, err = io.Copy(out, gz)
	return err
}