exec.go

/* Copyright 2018 Ron Zhang <ronzxy@mx.aketi.cn>. All rights reserved.
 *
 * Licensed under the Apache License, version 2.0 (the "License").
 * You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package helper

import (
	"io/ioutil"
	"os/exec"
)

var Exec = NewExecHelper()

type ExecHelper struct{}

func NewExecHelper() *ExecHelper {
	return &ExecHelper{}
}

func (this *ExecHelper) Run(name string, args ...string) ([]byte, error) {
	cmd := exec.Command(name, args...)
	stdout, err := cmd.StdoutPipe()
	if err != nil {
		return nil, err
	}
	defer stdout.Close()

	err = cmd.Start()
	if err != nil {
		return nil, err
	}

	return ioutil.ReadAll(stdout)
}