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if [ "$2" == "" ]
then
sudo tar zcvf $1.tar.gz $1
sudo chmod 666 $1.tar.gz
else
sudo tar zcvf $2.tar.gz $1
sudo chmod 666 $2.tar.gz

fi

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ʹÓõÄʱºòÖ±½Ó gz test/ a

¾Í»á½«testÎļþ¼ÐѹËõΪһ¸öa.tar.gz