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devlights/main.go

Created August 14, 2024 15:22
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Generate random strings in Golang
Raw
main.go
package main
import (
"bytes"
"io"
"math/rand"
"os"
"time"
)
const (
charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
)
func randomString(buf []byte) {
var (
unixNano = time.Now().UnixNano()
rndSource = rand.NewSource(unixNano)
rnd = rand.New(rndSource)
)
for i := range buf {
buf[i] = charset[rnd.Intn(len(charset))]
}
}
func main() {
buf := make([]byte, 1<<5)
randomString(buf)
_, _ = io.Copy(os.Stdout, bytes.NewReader(buf))
}
/*
$ go run main.go
HIk2fRYqwschgPhWfGo1SsnkZMdamTQN
*/
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