ubuntu系统中nginx启动脚本

代码如下:
#! /bin/sh
### BEGIN INIT INFO
# Provides:          nginx
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: nginx init.d dash script for Ubuntu or other *nix.
# Description:       nginx init.d dash script for Ubuntu or other *nix.
### END INIT INFO
#------------------------------------------------------------------------------
# nginx - this Debian Almquist shell (dash) script, starts and stops the nginx
#         daemon for Ubuntu and other *nix releases.
#
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse /
#               proxy and IMAP/POP3 proxy server.  This /
#               script will manage the initiation of the /
#               server and it's process state.
#
# processname: nginx
# config:      /usr/local/nginx/conf/nginx.conf
# pidfile:     /usr/local/nginx/logs/nginx.pid
# Provides:    nginx
#
# Author:  Jason Giedymin
#          <jason.giedymin AT gmail.com>.
#
# Version: 3.5.1 11-NOV-2013 jason.giedymin AT gmail.com
# Notes: nginx init.d dash script for Ubuntu.
# Tested with: Ubuntu 13.10, nginx-1.4.3
#
# This script's project home is:
#   http://github.com/JasonGiedymin/nginx-init-ubuntu
#
#------------------------------------------------------------------------------
#                               MIT X11 License
#------------------------------------------------------------------------------
#
# Copyright (c) 2008-2013 Jason Giedymin, http://jasongiedymin.com
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF