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How to use print method of cmd Package

Best Gauge code snippet using cmd.print

main.go

Source:main.go

...27	}28	return nil29}30func (cmd *BrokerHandler) runView(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {31	responseBytes, err := client.HTTPServiceGet(fmt.Sprintf("v1/brokers/%s", cmd.broker))32	if err != nil {33		client.PrintMessageAndExit(err.Error())34	} else {35		client.PrintJSONBytes(responseBytes)36	}37	return nil38}39func handleBrokerSection(app *kingpin.Application) {40	cmd := &BrokerHandler{}41	broker := app.Command("broker", "Kafka broker information")42	broker.Command(43		"list",44		"Lists all broker ids in the service").Action(cmd.runList)45	get := broker.Command(46		"get",47		"View a single broker").Action(cmd.runView)48	get.Arg("id", "id of broker").StringVar(&cmd.broker)49}50type TopicHandler struct {51	topic               string52	createPartitions    int53	createReplication   int54	offsetsTime         string55	partitionCount      int56	produceMessageCount int57}58func (cmd *TopicHandler) runList(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {59	responseBytes, err := client.HTTPServiceGet("v1/topics")60	if err != nil {61		client.PrintMessageAndExit(err.Error())62	} else {63		client.PrintJSONBytes(responseBytes)64	}65	return nil66}67func (cmd *TopicHandler) runDescribe(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {68	responseBytes, err := client.HTTPServiceGet(fmt.Sprintf("v1/topics/%s", cmd.topic))69	if err != nil {70		client.PrintMessageAndExit(err.Error())71	} else {72		client.PrintJSONBytes(responseBytes)73	}74	return nil75}76func (cmd *TopicHandler) runCreate(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {77	query := url.Values{}78	query.Set("partitions", strconv.FormatInt(int64(cmd.createPartitions), 10))79	query.Set("replication", strconv.FormatInt(int64(cmd.createReplication), 10))80	responseBytes, err := client.HTTPServicePutQuery(fmt.Sprintf("v1/topics/%s", cmd.topic), query.Encode())81	if err != nil {82		client.PrintMessageAndExit(err.Error())83	} else {84		client.PrintJSONBytes(responseBytes)85	}86	return nil87}88func (cmd *TopicHandler) runUnavailablePartitions(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {89	responseBytes, err := client.HTTPServiceGet("v1/topics/unavailable_partitions")90	if err != nil {91		client.PrintMessage(err.Error())92	} else {93		client.PrintJSONBytes(responseBytes)94	}95	return nil96}97func (cmd *TopicHandler) runUnderReplicatedPartitions(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {98	responseBytes, err := client.HTTPServiceGet("v1/topics/under_replicated_partitions")99	if err != nil {100		client.PrintMessageAndExit(err.Error())101	} else {102		client.PrintJSONBytes(responseBytes)103	}104	return nil105}106func (cmd *TopicHandler) runPartitions(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {107	query := url.Values{}108	query.Set("name", cmd.topic)109	query.Set("partitions", strconv.FormatInt(int64(cmd.partitionCount), 10))110	responseBytes, err := client.HTTPServicePutQuery(fmt.Sprintf("v1/topics/%s/operation/partitions", cmd.topic), query.Encode())111	if err != nil {112		client.PrintMessageAndExit(err.Error())113	} else {114		client.PrintJSONBytes(responseBytes)115	}116	return nil117}118func (cmd *TopicHandler) runProducerTest(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {119	query := url.Values{}120	query.Set("messages", strconv.FormatInt(int64(cmd.produceMessageCount), 10))121	responseBytes, err := client.HTTPServicePutQuery(fmt.Sprintf("v1/topics/%s/operation/producer-test", cmd.topic), query.Encode())122	if err != nil {123		client.PrintMessageAndExit(err.Error())124	} else {125		client.PrintJSONBytes(responseBytes)126	}127	return nil128}129func (cmd *TopicHandler) runProducerTestTLS(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {130	query := url.Values{}131	query.Set("messages", strconv.FormatInt(int64(cmd.produceMessageCount), 10))132	responseBytes, err := client.HTTPServicePutQuery(fmt.Sprintf("v1/topics/%s/operation/producer-test-tls", cmd.topic), query.Encode())133	if err != nil {134		client.PrintMessageAndExit(err.Error())135	} else {136		client.PrintJSONBytes(responseBytes)137	}138	return nil139}140func (cmd *TopicHandler) runDelete(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {141	responseBytes, err := client.HTTPServiceDelete(fmt.Sprintf("v1/topics/%s", cmd.topic))142	if err != nil {143		client.PrintMessageAndExit(err.Error())144	} else {145		client.PrintJSONBytes(responseBytes)146	}147	return nil148}149func (cmd *TopicHandler) runOffsets(a *kingpin.Application, e *kingpin.ParseElement, c *kingpin.ParseContext) error {150	var timeVal int64151	var err error152	switch cmd.offsetsTime {153	case "first":154		timeVal = -2155	case "last":156		timeVal = -1157	default:158		timeVal, err = strconv.ParseInt(cmd.offsetsTime, 10, 64)159		if err != nil {160			log.Fatalf("Invalid value '%s' for --time (expected integer, 'first', or 'last'): %s", cmd.offsetsTime, err)161		}162	}163	query := url.Values{}164	query.Set("time", strconv.FormatInt(timeVal, 10))165	responseBytes, err := client.HTTPServiceGetQuery(fmt.Sprintf("v1/topics/%s/offsets", cmd.topic), query.Encode())166	if err != nil {167		client.PrintMessageAndExit(err.Error())168	} else {169		client.PrintJSONBytes(responseBytes)170	}171	return nil172}173func handleTopicSection(app *kingpin.Application) {174	cmd := &TopicHandler{}175	topic := app.Command("topic", "Kafka topic maintenance")176	create := topic.Command(177		"create",178		"Creates a new topic").Action(cmd.runCreate)179	create.Arg("topic", "The topic to create").StringVar(&cmd.topic)...

bug.go

Source:bug.go

...37	}38	var buf bytes.Buffer39	buf.WriteString(bugHeader)40	inspectGoVersion(&buf)41	fmt.Fprint(&buf, "#### System details\n\n")42	fmt.Fprintln(&buf, "```")43	fmt.Fprintf(&buf, "go version %s %s/%s\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)44	env := cfg.CmdEnv45	env = append(env, envcmd.ExtraEnvVars()...)46	for _, e := range env {47		// Hide the TERM environment variable from "go bug".48		// See issue #1812849		if e.Name != "TERM" {50			fmt.Fprintf(&buf, "%s=\"%s\"\n", e.Name, e.Value)51		}52	}53	printGoDetails(&buf)54	printOSDetails(&buf)55	printCDetails(&buf)56	fmt.Fprintln(&buf, "```")57	body := buf.String()58	url := "https://github.com/golang/go/issues/new?body=" + web.QueryEscape(body)59	if !web.OpenBrowser(url) {60		fmt.Print("Please file a new issue at golang.org/issue/new using this template:\n\n")61		fmt.Print(body)62	}63}64const bugHeader = `Please answer these questions before submitting your issue. Thanks!65#### What did you do?66If possible, provide a recipe for reproducing the error.67A complete runnable program is good.68A link on play.golang.org is best.69#### What did you expect to see?70#### What did you see instead?71`72func printGoDetails(w io.Writer) {73	printCmdOut(w, "GOROOT/bin/go version: ", filepath.Join(runtime.GOROOT(), "bin/go"), "version")74	printCmdOut(w, "GOROOT/bin/go tool compile -V: ", filepath.Join(runtime.GOROOT(), "bin/go"), "tool", "compile", "-V")75}76func printOSDetails(w io.Writer) {77	switch runtime.GOOS {78	case "darwin":79		printCmdOut(w, "uname -v: ", "uname", "-v")80		printCmdOut(w, "", "sw_vers")81	case "linux":82		printCmdOut(w, "uname -sr: ", "uname", "-sr")83		printCmdOut(w, "", "lsb_release", "-a")84		printGlibcVersion(w)85	case "openbsd", "netbsd", "freebsd", "dragonfly":86		printCmdOut(w, "uname -v: ", "uname", "-v")87	case "solaris":88		out, err := ioutil.ReadFile("/etc/release")89		if err == nil {90			fmt.Fprintf(w, "/etc/release: %s\n", out)91		} else {92			if cfg.BuildV {93				fmt.Printf("failed to read /etc/release: %v\n", err)94			}95		}96	}97}98func printCDetails(w io.Writer) {99	printCmdOut(w, "lldb --version: ", "lldb", "--version")100	cmd := exec.Command("gdb", "--version")101	out, err := cmd.Output()102	if err == nil {103		// There's apparently no combination of command line flags104		// to get gdb to spit out its version without the license and warranty.105		// Print up to the first newline.106		fmt.Fprintf(w, "gdb --version: %s\n", firstLine(out))107	} else {108		if cfg.BuildV {109			fmt.Printf("failed to run gdb --version: %v\n", err)110		}111	}112}113func inspectGoVersion(w io.Writer) {114	data, err := web.Get("https://golang.org/VERSION?m=text")115	if err != nil {116		if cfg.BuildV {117			fmt.Printf("failed to read from golang.org/VERSION: %v\n", err)118		}119		return120	}121	// golang.org/VERSION currently returns a whitespace-free string,122	// but just in case, protect against that changing.123	// Similarly so for runtime.Version.124	release := string(bytes.TrimSpace(data))125	vers := strings.TrimSpace(runtime.Version())126	if vers == release {127		// Up to date128		return129	}130	// Devel version or outdated release. Either way, this request is apropos.131	fmt.Fprintf(w, "#### Does this issue reproduce with the latest release (%s)?\n\n\n", release)132}133// printCmdOut prints the output of running the given command.134// It ignores failures; 'go bug' is best effort.135func printCmdOut(w io.Writer, prefix, path string, args ...string) {136	cmd := exec.Command(path, args...)137	out, err := cmd.Output()138	if err != nil {139		if cfg.BuildV {140			fmt.Printf("%s %s: %v\n", path, strings.Join(args, " "), err)141		}142		return143	}144	fmt.Fprintf(w, "%s%s\n", prefix, bytes.TrimSpace(out))145}146// firstLine returns the first line of a given byte slice.147func firstLine(buf []byte) []byte {148	idx := bytes.IndexByte(buf, '\n')149	if idx > 0 {150		buf = buf[:idx]151	}152	return bytes.TrimSpace(buf)153}154// printGlibcVersion prints information about the glibc version.155// It ignores failures.156func printGlibcVersion(w io.Writer) {157	tempdir := os.TempDir()158	if tempdir == "" {159		return160	}161	src := []byte(`int main() {}`)162	srcfile := filepath.Join(tempdir, "go-bug.c")163	outfile := filepath.Join(tempdir, "go-bug")164	err := ioutil.WriteFile(srcfile, src, 0644)165	if err != nil {166		return167	}168	defer os.Remove(srcfile)169	cmd := exec.Command("gcc", "-o", outfile, srcfile)170	if _, err = cmd.CombinedOutput(); err != nil {171		return172	}173	defer os.Remove(outfile)174	cmd = exec.Command("ldd", outfile)175	out, err := cmd.CombinedOutput()176	if err != nil {177		return178	}179	re := regexp.MustCompile(`libc\.so[^ ]* => ([^ ]+)`)180	m := re.FindStringSubmatch(string(out))181	if m == nil {182		return183	}184	cmd = exec.Command(m[1])185	out, err = cmd.Output()186	if err != nil {187		return188	}189	fmt.Fprintf(w, "%s: %s\n", m[1], firstLine(out))190	// print another line (the one containing version string) in case of musl libc191	if idx := bytes.IndexByte(out, '\n'); bytes.Index(out, []byte("musl")) != -1 && idx > -1 {192		fmt.Fprintf(w, "%s\n", firstLine(out[idx+1:]))193	}194}...

cmd_test.go

Source:cmd_test.go

...14	echoCmd.Flags().BoolP("boolone", "b", true, "help message for flag boolone")15	timesCmd.PersistentFlags().StringP("strtwo", "t", "2", "help message for child flag strtwo")16	timesCmd.Flags().IntP("inttwo", "j", 234, "help message for flag inttwo")17	timesCmd.Flags().BoolP("booltwo", "c", false, "help message for flag booltwo")18	printCmd.PersistentFlags().StringP("strthree", "s", "three", "help message for flag strthree")19	printCmd.Flags().IntP("intthree", "i", 345, "help message for flag intthree")20	printCmd.Flags().BoolP("boolthree", "b", true, "help message for flag boolthree")21	echoCmd.AddCommand(timesCmd, echoSubCmd, deprecatedCmd)22	rootCmd.AddCommand(printCmd, echoCmd, dummyCmd)23}24var rootCmd = &cobra.Command{25	Use:   "root",26	Short: "Root short description",27	Long:  "Root long description",28	Run:   emptyRun,29}30var echoCmd = &cobra.Command{31	Use:     "echo [string to echo]",32	Aliases: []string{"say"},33	Short:   "Echo anything to the screen",34	Long:    "an utterly useless command for testing",35	Example: "Just run cobra-test echo",36}37var echoSubCmd = &cobra.Command{38	Use:   "echosub [string to print]",39	Short: "second sub command for echo",40	Long:  "an absolutely utterly useless command for testing gendocs!.",41	Run:   emptyRun,42}43var timesCmd = &cobra.Command{44	Use:        "times [# times] [string to echo]",45	SuggestFor: []string{"counts"},46	Short:      "Echo anything to the screen more times",47	Long:       `a slightly useless command for testing.`,48	Run:        emptyRun,49}50var deprecatedCmd = &cobra.Command{51	Use:        "deprecated [can't do anything here]",52	Short:      "A command which is deprecated",53	Long:       `an absolutely utterly useless command for testing deprecation!.`,54	Deprecated: "Please use echo instead",55}56var printCmd = &cobra.Command{57	Use:   "print [string to print]",58	Short: "Print anything to the screen",59	Long:  `an absolutely utterly useless command for testing.`,60}61var dummyCmd = &cobra.Command{62	Use:   "dummy [action]",63	Short: "Performs a dummy action",64}65func checkStringContains(t *testing.T, got, expected string) {66	if !strings.Contains(got, expected) {67		t.Errorf("Expected to contain: \n %v\nGot:\n %v\n", expected, got)68	}69}70func checkStringOmits(t *testing.T, got, expected string) {71	if strings.Contains(got, expected) {...

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls")4    stdout, err := cmd.Output()5    if err != nil {6        fmt.Println(err.Error())7    }8    fmt.Println(string(stdout))9}

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("echo", "hello")4    stdout, err := cmd.Output()5    if err != nil {6        fmt.Println(err.Error())7    }8    print(string(stdout))9}10import (11func main() {12    cmd := exec.Command("echo", "hello")13    err := cmd.Run()14    if err != nil {15        println(err.Error())16    }17    println("Command successfully executed")18}19import (20func main() {21    cmd := exec.Command("echo", "hello")22    err := cmd.Start()23    if err != nil {24        fmt.Println(err.Error())25    }26    fmt.Println("Command successfully executed")27    err = cmd.Wait()28    if err != nil {29        fmt.Println(err.Error())30    }31    fmt.Println("Command successfully executed")32}33import (

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, world.")4}5import "fmt"6func main() {7    fmt.Println("Hello, world.")8}9import "fmt"10func main() {11    fmt.Println("Hello, world.")12}13import "fmt"14func main() {15    fmt.Println("Hello, world.")16}17import "fmt"18func main() {19    fmt.Println("Hello, world.")20}21import "fmt"22func main() {23    fmt.Println("Hello, world.")24}25import "fmt"26func main() {27    fmt.Println("Hello, world.")28}29import "fmt"30func main() {31    fmt.Println("Hello, world.")32}33import "fmt"34func main() {35    fmt.Println("Hello, world.")36}37import "fmt"38func main() {39    fmt.Println("Hello, world.")40}41import "fmt"42func main() {43    fmt.Println("Hello, world.")44}45import "fmt"46func main() {47    fmt.Println("Hello, world.")48}49import "fmt"50func main() {51    fmt.Println("Hello, world.")52}53import "fmt"54func main() {55    fmt.Println("Hello,

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("cmd", "/c", "echo", "hello")4	cmd.Run()5}6import (7func main() {8	cmd := exec.Command("cmd", "/c", "echo", "hello")9	cmd.Run()10}11import (12func main() {13	cmd := exec.Command("cmd", "/c", "echo", "hello")14	cmd.Run()15}16import (17func main() {18	cmd := exec.Command("cmd", "/c", "echo", "hello")19	cmd.Run()20}21import (22func main() {23	cmd := exec.Command("cmd", "/c", "echo", "hello")24	cmd.Run()25}26import (27func main() {28	cmd := exec.Command("cmd", "/c", "echo", "hello")29	cmd.Run()30}31import (32func main() {33	cmd := exec.Command("cmd", "/c", "echo", "hello")34	cmd.Run()35}36import (37func main() {38	cmd := exec.Command("cmd", "/c", "echo", "hello")39	cmd.Run()40}41import (42func main() {43	cmd := exec.Command("cmd", "/c", "echo", "hello")44	cmd.Run()45}

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello World")4}5import "fmt"6func main() {7    fmt.Println("Hello World")8}9import "fmt"10func main() {11    fmt.Println("Hello World")12}13import "fmt"14func main() {15    fmt.Println("Hello World")16}17import "fmt"18func main() {19    fmt.Println("Hello World")20}21import "fmt"22func main() {23    fmt.Println("Hello World")24}25import "fmt"26func main() {27    fmt.Println("Hello World")28}29import "fmt"30func main() {31    fmt.Println("Hello World")32}33import "fmt"34func main() {35    fmt.Println("Hello World")36}37import "fmt"38func main() {39    fmt.Println("Hello World")40}41import "fmt"42func main() {43    fmt.Println("Hello World")44}45import "fmt"46func main() {47    fmt.Println("Hello World")48}49import "fmt"50func main() {51    fmt.Println("Hello World")52}53import "fmt"54func main() {55    fmt.Println("Hello World

Using AI Code Generation

1import (2func main() {3    fmt.Print("hello")4}5import (6func main() {7    fmt.Println("hello")8}9import (10func main() {11    fmt.Printf("hello")12}

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, World")4	os.Exit(0)5}6import (7func main() {8	fmt.Println("Hello, World")9	os.Exit(0)10}11import (12func main() {13	fmt.Println("Hello, World")14	os.Exit(0)15}16import (17func main() {18	fmt.Println("Hello, World")19	os.Exit(0)20}21import (22func main() {23	fmt.Println("Hello, World")24	os.Exit(0)25}26import (27func main() {28	fmt.Println("Hello, World")29	os.Exit(0)30}31import (32func main() {33	fmt.Println("Hello, World")34	os.Exit(0)35}36import (37func main() {38	fmt.Println("Hello, World")39	os.Exit(0)40}41import (42func main() {43	fmt.Println("Hello, World")44	os.Exit(0)45}46import (47func main() {48	fmt.Println("Hello, World")49	os.Exit(0)50}51import (52func main() {53	fmt.Println("Hello, World")54	os.Exit(0)55}

Using AI Code Generation

1import "fmt"2func main() {3   fmt.Println("Hello, World!")4}5Example 2: Using Println() function6import "fmt"7func main() {8   fmt.Println("Hello, World!")9}10Example 3: Using Printf() function11import "fmt"12func main() {13   fmt.Printf("Hello, World!")14}15Example 4: Using Print() function16import "fmt"17func main() {18   fmt.Print("Hello, World!")19}20Example 5: Using Println() function21import "fmt"22func main() {23   fmt.Println("Hello, World!")24}25Example 6: Using Println() function26import "fmt"27func main() {28   fmt.Println("Hello, World!")29}30Example 7: Using Println() function31import "fmt"32func main() {33   fmt.Println("Hello, World!")34}35Example 8: Using Println() function36import "fmt"37func main() {38   fmt.Println("Hello, World!")39}40Example 9: Using Println() function41import "fmt"42func main() {43   fmt.Println("Hello, World!")44}45Example 10: Using Println() function46import "fmt"47func main() {48   fmt.Println("Hello, World!")49}50Example 11: Using Println() function51import "fmt"52func main() {53   fmt.Println("Hello, World!")54}55Example 12: Using Println() function56import "fmt"57func main() {58   fmt.Println("Hello, World!")59}60Example 13: Using Println() function61import "fmt"62func main() {63   fmt.Println("Hello, World!")64}65Example 14: Using Println() function66import "fmt"67func main() {68   fmt.Println("Hello, World!")69}

Using AI Code Generation

1import "fmt"2func main() {3fmt.Println("Hello World")4}5import "fmt"6func main() {7fmt.Println("Sum of two numbers is:", sum)8}9import (10func main() {11if len(os.Args) < 3 {12fmt.Println("Please provide two numbers")13}14a, err := strconv.Atoi(os.Args[1])15if err != nil {16fmt.Println("Please provide two numbers")17}18b, err := strconv.Atoi(os.Args[2])19if err != nil {20fmt.Println("Please provide two numbers")21}22fmt.Println("Sum of two numbers is:", sum)23}24import (25func main() {26if len(os.Args) < 3 {27fmt.Println("Please provide two numbers")28}29a, err := strconv.Atoi(os.Args[1])30if err != nil {31fmt.Println("Please provide two

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