Shell脚本实现监视指定进程的运行状态详解程序员

#!/bin/sh 
echo "`date`" 
echo "Start $0---------" 
echo "" 
#每十秒监视一下 
sec=10 
#取得指定进程名为mainAPP，内存的使用率，进程运行状态，进程名称 
eval $(ps | grep "mainApp" | grep -v grep | awk {'printf("memInfo=%s;myStatus=%s;pName=%s",$3,$4,$5)'}) 
echo $pName $myStatus $memInfo 
testPrg="" 
while [ -n "$pName" -a "$myStatus" != "Z" ] 
do 
    echo "----------`date`---------------------" 
    echo $pName $myStatus $memInfo 
    sleep $sec 
    ####You must initialize them again!!!!! 
    pName="" 
    myStatus="" 
    memInfo="" 
    eval $(ps | grep "mainApp" | grep -v grep | awk {'printf("memInfo=%s;myStatus=%s;pName=%s",$3,$4,$5)'}) 
    testPrg=`ps | grep "MyTester" | grep -v grep | awk '{print $0}'` 
    if [ -z "$testPrg" ]; then 
        break 
    fi 
    ##注意一定要再次初始化为空 
    testPrg="" 
done 
echo "End $0---($pName,$myStatus,$testPrg)-------------------" 
if [ -z "$pName" ]; then 
        ###发现测被测试程序异常退出后，停止测试程序 
    killall MyTester 
    echo "stop TestProgram MyTester" 
fi 
echo "`date`" 
echo "---------------Current Status------------------" 
ps | grep -E "mainApp|SubApp" | grep -v grep 
echo ""