c := cmd.NewCommand("echo hello")

err := c.Execute()
if err != nil {
    panic(err.Error())    
}

fmt.Println(c.Stdout())
fmt.Println(c.Stderr())

c := cmd.NewCommand("echo hello", cmd.WithStandardStreams)
c.Execute()

func SetTimeout(c *Command) {
    c.Timeout = 1 * time.Hour
}

func SetWorkingDir(c *Command) {
    c.WorkingDir = "/tmp/test"
}

c := cmd.NewCommand("pwd", SetTimeout, SetWorkingDir)
c.Execute()