Calculate your keyboard settings repeat rate (real)

what-is-my-repeat-rate.go

package main

import (
	"fmt"
	"os"
	"os/exec"
	"time"
)

func main() {
	// disable input buffering
	exec.Command("stty", "-F", "/dev/tty", "cbreak", "min", "1").Run()
	// do not display entered characters on the screen
	exec.Command("stty", "-F", "/dev/tty", "-echo").Run()

	fmt.Println("Just hold key to count keypresses")

	counter := 0
	go func() {
		t := time.NewTicker(time.Second * 1)
		for {
			<-t.C

			if counter > 0 {
				fmt.Printf(" [%d]\n", counter)
			}

			counter = 0
		}
	}()

	b := []byte{0}
	for {
		os.Stdin.Read(b)
		fmt.Print(string(b))
		counter++
	}
}