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1.   ÔÚÓû§Ö´ÐÐrmÃüÁîʱ£¬½«ÎļþÒÆ¶¯/dump-file/ £¬±» ÒÆ¶¯µ½dump-file Ŀ¼ÏµÄÎļþ¡¢Îļþ¼ÐÒÔÔ­ÎļþÃû+ɾ³ý³ýµÄÈÕÆÚ¸ñʽ´æ·Å£¬Èç weather.txt ÔÚɾ³ýºó¾Í»á±»×Ô¶¯Òƶ¯µ½/dump-file/ ϲ¢ÃüÃûΪweather.txt_2010-05-07_14:46:51.bak
2.   ´ËÃüÁîÔÚÖ´ÐÐʱ»á¼ì²âÎļþ»òĿ¼µÄ´óС£¬Èç¹ûÎļþ»òĿ¼³¬¹ý2GB£¬½«²»»áÔÙ½«ÎļþÒÆ¶¯µ½»ØÊÕÕ¾£¬¶ø»áÖ±½Óɾ³ý£¬´Ë¹¦ÄÜÊÇΪÁ˱ÜÃâ»ØÊÕÕ¾¹ý´ó¶ø¶ÔϵͳÔì³ÉÓ°Ïì
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1.´´½¨É¾³ýÎļþ´æ·ÅĿ¼mkdir /dump-file/ && chmod -R 777 /dump-file
2.´´½¨ÈÕÖ¾Êä³öÎļþ touch /tmp/rm.dump && chmod -R 777 /tmp/rm.dump
3.½«ÏµÍ³rmÃüÁîÒÆ¶¯³É rm.bak  £º mv /bin/rm /bin/rm.bak
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#!/bin/bash
DumpFile=/dump-file/
File=`echo $line|awk '{print $2}'`
aa=$(echo $1|grep "^-")
###
function TestDir(){
Test_Dir=$(echo $line|grep "/") #test if is a directory.
Test_Dir2=$(echo $line |awk '{print $2}'|grep "^/") # Test if the prameter starts with "/".
Dir2=$(echo $line |awk -F/ '{print $2}') #Extract the prameter after the first "/".
Dir=$(echo $line |awk '{print $2}'|awk -F/ '{print $1}') ##Extract the prameter before the first "/".
D1=`date +%F_%H:%M:%S.bak`
Date=`echo $line


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