os/exec CommandContext example

commandContext.go

package main

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

func main() {

	timeout := 3 * time.Second
	ctx, _ := context.WithTimeout(context.Background(), timeout)

	cmd := exec.CommandContext(ctx, "sleep", "10")
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	if err := cmd.Start(); err != nil {
		panic(err)
	}

	if err := cmd.Wait(); err != nil {
		panic(err)
	}
}