Golang PGrep

pgrep.go

func PGrep(serviceName string) []*os.Process {
	process := make([]*os.Process, 0)

	command := fmt.Sprintf("ps -eo pid,command | grep \"%s\" | grep -v grep", serviceName)
	res, err := exec.Command("sh", "-c", command).Output()
	if err != nil {
		return nil
	}

	for _, line := range strings.Split(string(res), "\n") {
		parts := strings.Fields(line)

		if len(parts) < 2 {
			continue
		}

		pid, err := strconv.Atoi(parts[0])
		if err != nil {
			continue
		}

		proc, err := os.FindProcess(pid)
		if err != nil {
			continue
		}

		process = append(process, proc)
	}

	return process
}