pid file
#!/bin/bash
pidpath=/tmp/a.pid
if [ -f "$pidpath" ];then
kill $(cat $pidpath)>/dev/null 2>&1
rm -rf $pidpath
fi
echo $$>$pidpath
sleep 100
转载于:https://blog.51cto.com/caimengzhi/1897801
总结
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#!/bin/bash
pidpath=/tmp/a.pid
if [ -f "$pidpath" ];then
kill $(cat $pidpath)>/dev/null 2>&1
rm -rf $pidpath
fi
echo $$>$pidpath
sleep 100
转载于:https://blog.51cto.com/caimengzhi/1897801