func main() { args := os.Args argc := len(args) if argc > 2 { cmd := args[1] subCmd := args[2] if cliFunc, ok := supportedCmds[cmd]; ok { cliFunc(subCmd) } else { fmt.Println("Unknown cmd", fmt.Sprintf("`%s`", cmd)) } } else { if argc > 1 { //parse flags, show help or version option := args[1] switch option { case "-v": cli.Version() case "-h": cli.Help() default: fmt.Println("Unknow option", fmt.Sprintf("`%s`", option)) } } else { fmt.Println("Use -h to see supported commands.") } } }
func main() { //set cpu count runtime.GOMAXPROCS(runtime.NumCPU()) //set qshell user agent rpc.UserAgent = cli.UserAgent() //parse command args := os.Args argc := len(args) log.SetOutputLevel(log.Linfo) log.SetOutput(os.Stdout) if argc > 1 { cmd := "" params := []string{} option := args[1] if option == "-d" { if argc > 2 { cmd = args[2] if argc > 3 { params = args[3:] } } log.SetOutputLevel(log.Ldebug) } else if option == "-v" { cli.Version() return } else if option == "-h" { cli.Help("help") return } else { cmd = args[1] if argc > 2 { params = args[2:] } } if cmd == "" { fmt.Println("Error: no subcommand specified") return } hit := false for cmdName, cliFunc := range supportedCmds { if cmdName == cmd { cliFunc(cmd, params...) hit = true break } } if !hit { fmt.Println(fmt.Sprintf("Error: unknown cmd `%s'", cmd)) } } else { fmt.Println("Use help or help [cmd1 [cmd2 [cmd3 ...]]] to see supported commands.") } }
func main() { args := os.Args argc := len(args) log.SetOutputLevel(log.Linfo) if argc > 1 { cmd := "" params := []string{} option := args[1] if option == "-d" { if argc > 2 { cmd = args[2] if argc > 3 { params = args[3:] } } log.SetOutputLevel(log.Ldebug) } else if option == "-v" { cli.Version() return } else if option == "-h" { cli.Help("help") return } else { cmd = args[1] if argc > 2 { params = args[2:] } } if cmd == "" { fmt.Println("Error: no subcommand specified") return } hit := false for cmdName, cliFunc := range supportedCmds { if cmdName == cmd { cliFunc(cmd, params...) hit = true break } } if !hit { fmt.Println(fmt.Sprintf("Error: unknow cmd `%s'", cmd)) } } else { fmt.Println("Use help or help [cmd1 [cmd2 [cmd3 ...]]] to see supported commands.") } }
func main() { //set cpu count runtime.GOMAXPROCS(runtime.NumCPU()) //set qshell user agent rpc.UserAgent = cli.UserAgent() //parse command log.SetOutputLevel(log.Linfo) log.SetOutput(os.Stdout) if len(os.Args) <= 1 { fmt.Println("Use help or help [cmd1 [cmd2 [cmd3 ...]]] to see supported commands.") return } //flag var debugMode bool var forceMode bool var helpMode bool var versionMode bool flag.BoolVar(&debugMode, "d", false, "debug mode") flag.BoolVar(&forceMode, "f", false, "force mode") flag.BoolVar(&helpMode, "h", false, "show help") flag.BoolVar(&versionMode, "v", false, "show version") flag.Parse() if helpMode { cli.Help("help") return } if versionMode { cli.Version() return } if debugMode { log.SetOutputLevel(log.Ldebug) } if forceMode { cli.ForceMode = true } args := flag.Args() cmd := args[0] params := args[1:] if cmd == "" { fmt.Println("Error: no subcommand specified") return } if cliFunc, ok := supportedCmds[cmd]; ok { cliFunc(cmd, params...) } else { fmt.Println(fmt.Sprintf("Error: unknown cmd `%s`", cmd)) } }