Go Standard Library Cookbook

How to do it…

1. Open the console and create the folder chapter01/recipe09.
2. Navigate to the directory.
3. Create the main_running.go file with the following content:

        package main        import (          "fmt"          "os/exec"          "runtime"        )        func main() {          var cmd string          if runtime.GOOS == "windows" {            cmd = "timeout"          } else {            cmd = "sleep"          }          proc := exec.Command(cmd, "1")          proc.Start()          // No process state is returned          // till the process finish.          fmt.Printf("Process state for running process: %v\n",                     proc.ProcessState)          // The PID could be obtain          // event for the running process          fmt.Printf("PID of running process: %d\n\n",                      proc.Process.Pid)        }

4. Run the code by executing go run main_running.go.
5. See the output in the Terminal:

6. Create the main.go file with the following content: ...