fmt.Fprint(os.Stderr, "nncp-cronexpr -- cron expression checker\n\n")
fmt.Fprintf(os.Stderr, "Usage: %s [-num XXX] CRON-EXPRESSION\n", os.Args[0])
flag.PrintDefaults()
fmt.Fprint(os.Stderr, "nncp-cronexpr -- cron expression checker\n\n")
fmt.Fprintf(os.Stderr, "Usage: %s [-num XXX] CRON-EXPRESSION\n", os.Args[0])
flag.PrintDefaults()