code: func ShellQuote(strs []string) []string {
  	dup := make([]string, 0, len(strs))
  
  	for _, str := range strs {
  		dup = append(dup, ShellQuoteSingle(str))
  	}
  	return dup
  }
docs: // ShellQuote returns a copied string slice where each element is quoted
  // suitably for sh.