一個短小精悍的監控/守護程式

• Author: 柳大·Poechant（鍾超）
• Email: zhongchao.ustc#gmail.com
• Blog:Blog.CSDN.net/Poechant
• Date: May 28^th, 2012

#!/bin/bash

YOUR_TARGET = your_target

while:
do
    echo "Current DIR is " $PWD
    stillRunning = $(ps -ef | grep "$PWD/$YOUR_TARGET" | grep -v "grep")
    if [ "$stillRunning" ]; then
        echo "You target service was already started by another way"
        echo "Kill it and then startup by this shell, otherwise this shell will loop out this message annoyingly"
        kill -9 $pidof $PWD/$YOUR_TARGET
    else
        echo "Your target service was not started"
        echo "Starting service …"
        $PWD/$YOUR_TARGET &
        echo "Your target service was exited!"
    fi
    sleep 10
done

• grep -v: –invert-match. Invert the sense of matching, to select non-matching lines. (-v is specified by POSIX.)

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轉載請註明來自柳大的CSDN部落格：Blog.CSDN.net/Poechant

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