Shell脚本实现监视指定进程的运行状态

#!/bin/shecho "`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 $memInfotestPrg=""while [ -n "$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=""doneecho "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"fiecho "`date`"echo "---------------Current Status------------------"ps | grep -E "mainApp|SubApp" | grep -v grepecho ""