一晚上写的shell的脚本

uwsgi启动和停止脚本(代码如下):

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#!/bin/bash
if [ ! -n "$1" ]
then
echo "Usages: sh uwsgiserver.sh [start|stop|restart]"
exit 0
fi

if [ $1 = start ]
then
psid=`ps aux | grep "uwsgi" | grep -v "grep" | wc -l`
if [ $psid -gt 4 ]
then
echo "uwsgi is running!"
exit 0
else
uwsgi /etc/uwsgi.ini
echo "Start uwsgi service [OK]"
fi


elif [ $1 = stop ];then
killall -9 uwsgi
echo "Stop uwsgi service [OK]"
elif [ $1 = restart ];then
killall -9 uwsgi
/usr/bin/uwsgi --ini /etc/uwsgi.ini
echo "Restart uwsgi service [OK]"

else
echo "Usages: sh uwsgiserver.sh [start|stop|restart]"
fi