func main() {
var x float32
var y int
var ch1, ch2 string
var name string
fmt.Println("Enter a character")
if _, err := fmt.Scanln(&ch1); err != nil {
fmt.Println("Error:", err)
}
fmt.Println("Enter a number")
if _, err := fmt.Scanln(&y); err != nil {
fmt.Println("Error:", err)
}
fmt.Println("Enter another character")
if _, err := fmt.Scanln(&ch2); err != nil {
fmt.Println("Error:", err)
}
fmt.Println("Enter a name")
if _, err := fmt.Scanf("%s", &name); err != nil {
fmt.Println("Error:", err)
}
fmt.Println("Enter a floating point value")
if _, err := fmt.Scanf("%g", &x); err != nil {
fmt.Println("Error:", err)
}
// Display the values read
fmt.Printf("ch1\t=\t%s\ny\t=\t%d\nch2\t=\t%s\nName\t=\t%s\nx\t=\t%g\n",
ch1, y, ch2, name, x)
}
func runLogin(cmd *Command, args []string) {
if len(args) != 0 {
cmd.PrintUsage()
os.Exit(2)
}
oldEmail := client.Username
var email string
if oldEmail == "" {
fmt.Printf("Enter email: ")
} else {
fmt.Printf("Enter email [%s]: ", oldEmail)
}
_, err := fmt.Scanln(&email)
switch {
case err != nil && err.Error() != "unexpected newline":
printFatal(err.Error())
case email == "" && oldEmail == "":
printFatal("email is required.")
case email == "":
email = oldEmail
}
// NOTE: gopass doesn't support multi-byte chars on Windows
password, err := readPassword("Enter password: "******"unexpected newline":
printFatal("password is required.")
default:
printFatal(err.Error())
}
address, token, err := attemptLogin(email, password, "")
if err != nil {
if herror, ok := err.(heroku.Error); ok && herror.Id == "two_factor" {
// 2FA requested, attempt 2FA login
var twoFactorCode string
fmt.Printf("Enter two-factor auth code: ")
if _, err := fmt.Scanln(&twoFactorCode); err != nil {
printFatal("reading two-factor auth code: " + err.Error())
}
address, token, err = attemptLogin(email, password, twoFactorCode)
must(err)
} else {
must(err)
}
}
nrc, err = hkclient.LoadNetRc()
if err != nil {
printFatal("loading netrc: " + err.Error())
}
err = nrc.SaveCreds(address, email, token)
if err != nil {
printFatal("saving new token: " + err.Error())
}
fmt.Println("Logged in.")
}
func loginAction(c *cli.Context) {
api := getAPI(c)
var url string
var version string
var username string
var password string
fmt.Printf("URL: ")
_, urlErr := fmt.Scanln(&url)
if urlErr != nil {
panic(urlErr)
}
fmt.Printf("Username: "******"Version (default: 1): ")
_, verErr := fmt.Scanln(&version)
if verErr != nil {
version = "1"
}
userData, loginErr := api.Login(url, username, password)
if loginErr != nil {
LogMessage("Error logging in. Please check username/password.", "r")
os.Exit(1)
}
saveConfig(username, userData.ApiKey, url, version, c.GlobalString("config"))
LogMessage("Login successful", "g")
}
func main() {
var pin string
var nickname string
fmt.Print("Enter game pin: ")
fmt.Scanln(&pin)
fmt.Print("Enter nickname: ")
fmt.Scanln(&nickname)
fmt.Println("Connecting...")
conn, err := kahoot.NewConnection(pin)
if err != nil {
fmt.Println("Error:", err)
os.Exit(1)
}
if err := conn.Register(nickname); err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println("Awaiting questions...")
for {
if conn.WaitQuestion() != nil {
fmt.Println("Done question loop:", err)
os.Exit(1)
}
fmt.Print("Got question. Answer: ")
var number string
fmt.Scanln(&number)
parsed, _ := strconv.Atoi(number)
if err := conn.SendAnswer(parsed); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
}
func gravatar() {
var name, email string
fmt.Println("Please enter your first name")
fmt.Scanln(&name)
fmt.Println("Please enter your email")
fmt.Scanln(&email)
email = strings.ToLower(email)
h := md5.New()
io.WriteString(h, email)
finalBytes := h.Sum(nil)
finalString := hex.EncodeToString(finalBytes)
//generate page
t, _ := template.New("tpl3").Parse(`
{{define "Gravatar"}}
<h1>{{.Name}}</h1>
<img src="http://www.gravatar.com/avatar/{{.Email}}"/>
{{end}}
`)
out, _ := os.Create("myGravatar.html")
_ = t.ExecuteTemplate(out, "Gravatar", Person{name, finalString})
}
func main() {
var len1 float64
var bre1 float64
var choice int
fmt.Println("\n********PERIMETER OF SHAPE************\n Enter 1 for Rectangle\n Enter 2 for Circle")
fmt.Scanln(&choice)
switch choice {
case 1:
{
fmt.Println("Enter the length and breadth of rectangle::")
fmt.Scanln(&len1, &bre1)
r := rectangle{len: len1, breadth: bre1}
fmt.Println("Details of the rectangle are:", r)
s := shape(r)
fmt.Println("Perimeter of rectangle is ::", s.perimeter())
}
case 2:
{
var rad float64
fmt.Println("Enter the radius of the Circle")
fmt.Scanln(&rad)
c := circle{radius: rad}
fmt.Println("Details of circle are:", c)
s := shape(c)
s = c
fmt.Println("The perimeter of circle is", s.perimeter())
}
default:
fmt.Println("Wrong Choice")
}
}
func main() {
rows, cols, gen := 0, 0, 0
var row string
var board []string
fmt.Scanf("%d %d", &rows, &cols)
fmt.Scanln(&row)
board = add_wall_row(cols+2, board)
for i := 0; i < rows; i++ {
fmt.Scanln(&row)
row = WALL + row + WALL
board = append(board, row)
}
board = add_wall_row(cols+2, board)
for {
gen += 1
fmt.Printf("Generation %d:\n", gen)
print(board)
new_board := generation(board)
if compare_boards(board, new_board) || gen >= MAX_GENS {
gen += 1
fmt.Printf("Generation %d:\n", gen)
print(new_board)
return
}
board = new_board
}
}
func main() {
n := 0
eps := 1e-2
var a float64
var b float64
fmt.Println("a: ")
fmt.Scanln(&a)
fmt.Println("b: ")
fmt.Scanln(&b)
fmt.Println("n", "a", "b", "m", "|Dx/2|")
for {
m := (a + b) / 2.0
Dx := math.Abs((b - a) / 2.0)
fmt.Println(n+1, a, b, m, Dx)
if f(a)*f(m) < 0 {
b = m
} else {
a = m
}
n++
if Dx < eps {
break
}
}
}
func do_singletest(wi wordinfo, date time.Time, nr, total int) {
input := ""
question := wi.Word
fmt.Printf("==============================================\n")
fmt.Printf("Question %d/%d:\n", nr, total)
fmt.Printf("\n [[ %s ]]\n", wi.Word)
fmt.Printf("\n\nPress Enter after you remember the meaning of it:\n")
fmt.Printf("\n Reference: %d Test success/fail: %d/%d\n",
wi.Totalfreq, len(wi.Succ_history), len(wi.Fail_history))
fmt.Scanln(&input)
fmt.Printf("----------------------------------------------\n")
fmt.Printf("The maning of %s was:\n%s\n\n",
question, daum_dict(question))
fmt.Printf("----------------------------------------------\n")
fmt.Printf("Were you understanding it well? (Yes/No)\n")
fmt.Scanln(&input)
if strings.HasPrefix(strings.ToUpper(input), "Y") {
wi.Succ_history = append(wi.Succ_history, date)
fmt.Printf("your feedback, Yes applied\n")
} else {
wi.Fail_history = append(wi.Fail_history, date)
fmt.Printf("your feedback, No applied\n")
}
winfos.Wordinfos[wi.Word] = wi
fmt.Printf("----------------------------------------------\n")
fmt.Printf("\n\n\n")
}
func main() {
prime_limit := int(math.Sqrt(float64(sieve_limit)))
l := gen_primes(prime_limit)
if verbose {
log.Println("Generated primes below ", prime_limit)
}
var rows int
fmt.Scanln(&rows)
if verbose {
log.Println(rows, " rows to come.")
}
for i := 1; i <= rows; i++ {
if verbose {
log.Println("Processing line ", i)
}
var start, stop int
fmt.Scanln(&start, &stop)
if verbose {
log.Println("Generating primes between ", start, " and ", stop)
}
r := range_primes(start, stop, l)
if verbose {
log.Println("There are ", len(r), " results.")
}
for _, prime := range r {
fmt.Println(prime)
}
fmt.Println("")
}
}
func main() {
fmt.Println(runtime.NumGoroutine())
//runtime.GOMAXPROCS(1)
//生成随机种子
rand.Seed(time.Now().Unix())
begin := make(chan bool)
go busy(begin)
fmt.Println(runtime.NumGoroutine())
<-begin
fmt.Println("is f*****g!")
var input string
fmt.Scanln(&input)
fmt.Println("done1")
var name string
for i := 0; i < 3; i++ {
name = fmt.Sprintf("go_%02d", i) //生成ID
//生成随机等待时间，从0-4秒
go routine(name, time.Duration(rand.Intn(5))*time.Second)
}
fmt.Println(runtime.NumGoroutine())
//让主进程停住，不然主进程退了，goroutine也就退了
fmt.Scanln(&input)
fmt.Println("done")
fmt.Println(runtime.NumGoroutine())
}
func main() {
flag.Parse()
uid := os.Getuid()
euid := os.Geteuid()
if uid != 0 || euid != 0 {
println("grab-box not started with root privileges. Please run grab-box as root.")
return
}
fmt.Println("Welcome to grab-box\n")
if archiveFilename == nil || *archiveFilename == "" {
fmt.Println("What is the username/boxname of the box?")
var slug string
if _, err := fmt.Scanln(&slug); err != nil {
log.Fatal(err)
}
fmt.Println("")
metaUrl := fmt.Sprintf("https://app.wercker.com/api/v2/boxes/%v/*", slug)
response, err := http.Get(metaUrl)
if err != nil {
print("Unable to create response for url: %v", err)
}
defer response.Body.Close()
var metaDoc map[string]interface{}
decoder := json.NewDecoder(response.Body)
if err := decoder.Decode(&metaDoc); err != nil {
print("Unable to decode meta data response: %v", err)
}
boxurl := metaDoc["tarballUrl"].(string)
filename, err := downloadBox(boxurl)
if err != nil {
log.Fatal(err)
}
archiveFilename = &filename
}
if boxName == nil || *boxName == "" {
fmt.Println("What is the name of the box?\n")
if _, err := fmt.Scanln(boxName); err != nil {
log.Fatal(err)
}
}
unpackArchive(*archiveFilename, *boxName)
fmt.Println("\nFixing lxc config...")
fixConfig(fmt.Sprintf("/var/lib/lxc/%v/config", *boxName), *boxName)
fmt.Printf("\n\nFinished! You can execute the following command to start the container:\n\n")
fmt.Printf("\tsudo lxc-start -n '%v'", *boxName)
}
func main() {
var pin string
var nickname string
var answer string
fmt.Print("Game pin: ")
fmt.Scanln(&pin)
fmt.Print("Nickname: ")
fmt.Scanln(&nickname)
fmt.Println("Connecting...")
conn, err := kahoot.NewConnection(pin)
if err != nil {
fmt.Println("Error:", err)
os.Exit(1)
}
if err := conn.Register(nickname); err != nil {
fmt.Println(err)
os.Exit(1)
}
for {
fmt.Print("Enter to answer question: ")
fmt.Scanln(&answer)
fmt.Print("Answer: ")
var number string
fmt.Scanln(&number)
parsed, _ := strconv.Atoi(number)
if err := conn.SendAnswer(parsed); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
}
func main() {
guesses := 0
var name string
var guess int
rand.Seed(time.Now().Unix())
randnum := rand.Intn(100)
randnum += 1
fmt.Println("Hello! What is your name?")
fmt.Scanln(&name)
fmt.Printf("Hello %s\n", name)
fmt.Println("I'm thinking of a number between 1 and 100 ")
fmt.Println("What is the number I am thinking of?")
for {
fmt.Scanln(&guess)
guesses++
if guess < randnum {
fmt.Println("Your guess was too low, try again.")
} else if guess > randnum {
fmt.Println("Your guess was too high, try again.")
} else {
fmt.Printf("Congratulations %s! you guessed the number was %d\n", name, randnum)
break
}
}
fmt.Printf("It took you %d guesses to do this\n", guesses)
}
func cmdResetDatabase() {
if flagCmdResetDatabase {
if len(flagConfirmBackup) == 0 {
fmt.Print("Have you performed a database backup? (YES/NO): ")
fmt.Scanln(&flagConfirmBackup)
}
if flagConfirmBackup != "YES" {
fmt.Print("ABORTED: You did not answer YES exactly, in all capitals.")
flushLogAndExit(1)
}
var confirm string
fmt.Printf("Are you sure you want to delete everything? ALL data will be permanently deleted? (YES/NO): ")
fmt.Scanln(&confirm)
if confirm != "YES" {
fmt.Print("ABORTED: You did not answer YES exactly, in all capitals.")
flushLogAndExit(1)
}
api.Srv.Store.DropAllTables()
fmt.Print("SUCCESS: Database reset.")
flushLogAndExit(0)
}
}
func main() {
var password string
var user string
var oourl string
var choice int
fmt.Printf("Enter Username:"******"DOMAIN\\" + user
fmt.Printf("Enter password:"******"Enter OO url (http|https://<fqdn>:<port>/oo):")
fmt.Scanln(&oourl)
oourl = oourl + "/rest/latest/"
fmt.Printf("What do you want to do?\n1-Get Version\n2-Cancel paused flows\n")
fmt.Scanln(&choice)
switch choice {
case 1:
version := getVersion(user, password, oourl)
fmt.Printf(version + "\n")
case 2:
cancelled := cancelPausedFlows(user, password, oourl)
fmt.Printf(cancelled + "\n")
default:
fmt.Printf("I don't understand")
}
bufio.NewReader(os.Stdin).ReadBytes('\n')
}
func deleteAllUsersCommandF(cmd *cobra.Command, args []string) error {
initDBCommandContextCobra(cmd)
if len(args) > 0 {
return errors.New("Don't enter any agruments.")
}
confirmFlag, _ := cmd.Flags().GetBool("confirm")
if !confirmFlag {
var confirm string
CommandPrettyPrintln("Have you performed a database backup? (YES/NO): ")
fmt.Scanln(&confirm)
if confirm != "YES" {
return errors.New("ABORTED: You did not answer YES exactly, in all capitals.")
}
CommandPrettyPrintln("Are you sure you want to delete the teams specified? All data will be permanently deleted? (YES/NO): ")
fmt.Scanln(&confirm)
if confirm != "YES" {
return errors.New("ABORTED: You did not answer YES exactly, in all capitals.")
}
}
if err := api.PermanentDeleteAllUsers(); err != nil {
return err
} else {
CommandPrettyPrintln("Sucsessfull. All users deleted.")
}
return nil
}
func main() {
var pin string
var nickname string
fmt.Print("Enter game pin: ")
fmt.Scanln(&pin)
fmt.Print("Enter nickname: ")
fmt.Scanln(&nickname)
fmt.Println("Connecting...")
conn, err := kahoot.NewConnection(pin)
if err != nil {
fmt.Println("Error:", err)
os.Exit(1)
}
if err := conn.Register(nickname); err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println("Awaiting questions...")
for {
if conn.WaitQuestion() != nil {
fmt.Println("Done question loop:", err)
os.Exit(1)
}
fmt.Println("CRASHING!")
conn.SendCrashAnswer()
}
}
func ACL() {
var driver, host, db, user, pass string
fmt.Println("Setup ACL database ==============")
fmt.Print(" driver (mongo/json/csv/mysql) : ")
fmt.Scanln(&driver)
fmt.Print(" host (& port) : ")
fmt.Scanln(&host)
fmt.Print(" database name : ")
fmt.Scanln(&db)
fmt.Print(" username : "******" password : "******"driver", driver)
config.Set("host", host)
config.Set("db", db)
config.Set("user", user)
config.Set("pass", pass)
fmt.Println("ACL Configuration saved!")
colonycore.SetConfig(colonycore.CONF_DB_ACL, config)
}
func Config(details *utils.ArtifactoryDetails, interactive, shouldEncPassword bool) {
var bytePassword []byte
if interactive {
if details.Url == "" {
print("Artifactory Url: ")
fmt.Scanln(&details.Url)
}
if details.User == "" {
print("User: "******"" {
print("Password: ")
var err error
bytePassword, err = terminal.ReadPassword(int(syscall.Stdin))
details.Password = string(bytePassword)
utils.CheckError(err)
}
}
details.Url = utils.AddTrailingSlashIfNeeded(details.Url)
if shouldEncPassword {
details = encryptPassword(details)
}
writeConfFile(details)
}
func main() {
var (
n int
r float64
)
fmt.Scanln(&n, &r)
ps := make([]point, n)
for i := 0; i < n; i++ {
fmt.Scanln(&ps[i].X, &ps[i].Y)
}
var l float64
for i := 0; i < n; i++ {
p1 := ps[i]
p2 := ps[(i+1)%n]
dx := p1.X - p2.X
dy := p1.Y - p2.Y
l += math.Sqrt(dx*dx + dy*dy)
}
l += 2 * math.Pi * r
fmt.Printf("%0.2f\n", l)
}
func topicTruncate(topic string) {
j := tat.TopicNameJSON{Topic: topic}
if force {
out, err := internal.Client().TopicTruncate(j)
internal.Check(err)
if internal.Verbose {
internal.Print(out)
}
} else {
fmt.Print("Are you really sure ? You will delete all messages even if a user has a message in his tasks. Please enter again topic name to confirm: ")
var confirmTopic string
fmt.Scanln(&confirmTopic)
if confirmTopic == topic {
fmt.Printf("Please enter 'yes' to confirm removing all messages from %s: ", topic)
var confirmYes string
fmt.Scanln(&confirmYes)
if confirmYes == "yes" {
out, err := internal.Client().TopicTruncate(j)
internal.Check(err)
internal.Print(out)
return
}
} else {
fmt.Printf("Error. You enter %s instead of %s\n", confirmTopic, topic)
}
fmt.Println("Nothing done")
}
}
//connect to database
func Connect(arg ...string) (*sql.DB, error) {
//TODO change path
var path string = "orm.conf"
if _, err := os.Stat(path); os.IsNotExist(err) {
path = "/etc/orm.conf"
}
set := settings.Settings{File: path}
database, err := set.Get("database")
if err != nil {
fmt.Println(err)
fmt.Printf("Database server: ")
fmt.Scanln(&database)
}
usr, err := set.Get("user")
if err != nil {
fmt.Println(err)
fmt.Printf("Username: "******"password")
if err != nil {
fmt.Println(err)
fmt.Printf("Password: "******"mysql", makeDSN(database, usr, pwd))
if err != nil {
return db, err
}
return db, nil
}
func main() {
fmt.Print("vk username: "******"vk password: "******"wall", // scope (required credentials)
}
auth, err := GetAuth(&cred)
if err != nil {
log.Fatal(err)
}
fmt.Println("auth", auth)
}
func main() {
var yrs int
var popA, popB, growthA, growthB float64
fmt.Print("Enter the population of town A: ")
fmt.Scanln(&popA)
fmt.Print("Enter the growth rate of town A: ")
fmt.Scanln(&growthA)
fmt.Print("Enter the population of town B: ")
fmt.Scanln(&popB)
fmt.Print("Enter the growth rate of town B: ")
fmt.Scanln(&growthB)
if growthA > 1 {
growthA = growthA / 100
}
if growthB > 1 {
growthB = growthB / 100
}
for popB >= popA {
popB = (popB * growthB) + popB
popA = (popA * growthA) + popA
yrs++
}
fmt.Printf("The population of town A will be greater than town B after %v years.\n"+
"The population of town A is: %v\nThe population of town B is: %v\n\n", yrs, int(popA), int(popB))
}
func main() {
fmt.Println("Welcome to a Go program called Name2.")
fmt.Println("What's your name?")
fmt.Scanln(&name)
fmt.Println("Interesting name,", name, ",do you know what it means?")
Ask:
fmt.Scanln(&answer)
posAnswers := []string{"y", "Y", "yes", "Yes", "YES", "ja"}
negAnswers := []string{"n", "N", "no", "No", "NO"}
bsAnswers := []string{"blerg", "kinda", "pissoff", "smartass"}
if containsString(posAnswers, answer) {
fmt.Println("Oh really?")
goto Ask
} else if containsString(negAnswers, answer) {
fmt.Println("Well let me look it up!")
goto Query
} else if containsString(bsAnswers, answer) {
fmt.Println("Piss off type y/n, smart ass")
goto Ask
} else {
fmt.Println("Please type yes or no, then press Enter.")
goto Ask
}
Query:
fmt.Println("Enter host:")
fmt.Scanln(&host)
fmt.Println("Scanning the internets.")
ip, _ := net.LookupIP(host)
fmt.Println(ip)
goto Query
}
func handleDownload(n int) {
if n == 0 {
// read identifiers from stdin
// NOTE: not concurrent => slower than it should be
var level, id int
read, err := fmt.Scanln(&level, &id)
for read > 0 && err == nil {
sudoku := fetchSudoku(level, id)
writeWebSudoku(sudoku, level, id)
read, err = fmt.Scanln(&level, &id)
}
} else {
// download random identifiers
if n < 0 {
log.Fatal("arg 'n' must be positive.")
}
for i := 0; i < n; i++ {
level := rand.Intn(4) + 1
id := rand.Intn(2e9)
sudoku := fetchSudoku(level, id)
writeWebSudoku(sudoku, level, id)
}
}
}
func cmdPermDeleteAllUsers() {
if flagCmdPermanentDeleteAllUsers {
c := getMockContext()
if len(flagConfirmBackup) == 0 {
fmt.Print("Have you performed a database backup? (YES/NO): ")
fmt.Scanln(&flagConfirmBackup)
}
if flagConfirmBackup != "YES" {
fmt.Print("ABORTED: You did not answer YES exactly, in all capitals.")
flushLogAndExit(1)
}
var confirm string
fmt.Printf("Are you sure you want to delete all the users? All data will be permanently deleted? (YES/NO): ")
fmt.Scanln(&confirm)
if confirm != "YES" {
fmt.Print("ABORTED: You did not answer YES exactly, in all capitals.")
flushLogAndExit(1)
}
if err := api.PermanentDeleteAllUsers(c); err != nil {
l4g.Error("%v", err)
flushLogAndExit(1)
} else {
fmt.Print("SUCCESS: All users deleted.")
flushLogAndExit(0)
}
}
}
func cmdExchange(cmd command) {
switch cmd.Action {
case "PRINT", "DISPLAY":
com.ColorLog("[%s] DEBUG( %s ) --> %s\n", levelToCmdFormat(cmd.Level),
getTitle(cmd), watchParametersToStr(cmd.Parameters))
case "BREAK":
if App.PrintStack {
com.ColorLog("[%s] BREAK:\n# %s #", levelToCmdFormat(cmd.Level),
cmd.Parameters["go.stack"])
if !App.SkipSuspend && App.PrintSource {
fmt.Print("press ENTER to view source...")
fmt.Scanln()
}
} else {
com.ColorLog("[%s] BREAK: 'print_stack' disenabled.\n",
levelToCmdFormat(cmd.Level))
}
if App.PrintSource {
line, _ := strconv.Atoi(cmd.Parameters["go.line"])
fmt.Println()
com.ColorLog("[%s] Source( %s ):\n%s", levelToCmdFormat(cmd.Level),
cmd.Parameters["go.file"], getFileSource(cmd.Parameters["go.file"], line))
}
if !App.SkipSuspend {
fmt.Print("press ENTER to continue...")
fmt.Scanln()
}
}
}
func main() {
if len(os.Args) == 1 {
log.Fatal("Argument required: <lock file>")
}
lockFilePath := os.Args[1]
lockFile, err := os.OpenFile(lockFilePath, os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0600)
if err != nil {
log.Fatal(err)
}
defer lockFile.Close()
err = lockapi.TryLockFile(lockFile)
if err != nil {
log.Fatal(err)
}
fmt.Println("Press ENTER to unlock...")
fmt.Scanln()
err = lockapi.UnlockFile(lockFile)
if err != nil {
log.Fatal(err)
}
fmt.Println("Press ENTER to end...")
fmt.Scanln()
}