通用kill shell外壳

iteye_20413

于 2011-09-13 19:44:54 发布

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分类专栏： Linux 文章标签： shell awk

本文链接：https://blog.csdn.net/iteye_20413/article/details/82137032

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本文介绍了一段bash脚本代码，通过该脚本可以实现检查并停止指定应用程序的功能。脚本首先定义了应用程序名、命令和路径，然后通过一系列逻辑判断和循环操作来实现目标。如果应用程序未运行且其路径存在，则脚本将获取所有相关进程ID，并逐个发送SIGKILL信号以终止进程。

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#!/bin/bash

appName="appName"
appPsCommond="appPsCommond"
appPath="/home/appPath"

isRunning(){
	appPs=`ps -ef | grep "$appPsCommond" | grep -v "grep" | grep -v "stop" | awk ' { print $appPsCommond} '`
	if [ "$appPs" ]
	then
		return 0
	fi
	return 1
}

invokeStop(){
	if ! isRunning
	then
		echo `date` `whoami` INFO: "the $appName is not running." >> /home/shellLog
		echo "the $appName is not running."
		exit 1		
	fi

	if [ ! -d $appPath ]
	then
		echo `date` `whoami` INFO: "$appPath not exist." >> /home/shellLog
		echo "$appPath not exist."
		exit 1
	fi

	for pid in `ps -ef | grep $appPsCommond | grep -v grep | grep -v stop | awk ' { print $2 } '`
	do
		kill -9 $pid;
		echo `date` `whoami` INFO: "killed pid: $pid ." >> /home/shellLog
		echo "killed pid: $pid ."
	done
}

if [ -z "$1" ]
then
	echo `date` `whoami` INFO: "command error.usage:$appName stop." >> /home/shellLog
	echo "command error. usage:$appName stop."
else
	case $1 in
	stop)
		invokeStop
	;;
	*)
		echo `date` `whoami` INFO: "command error.usage:$appName stop." >> /home/shellLog
		echo "command error. usage:$appName stop."
	;;
	esac
fi