清理tomcat日志

参数1为Tomcat的log目录
参数2为日志保存的天数
删除要保存的天数的之外的所有的log日志

	path=$1
	saveDays=$2
	cd $path
	array_ls=(`ls |grep .log`);
	array=()
	for (( i=1; i<=$saveDays; i++ ))
	do
	DATE1=`date -d "$i days ago" +%Y-%m-%d`
	array[${i}]=$DATE1
	done
	for v in ${array_ls[@]};
	do
	flag="666"
    for t in ${array[@]};
    do
    	aa=`echo $v |sed "s/.*\.\([0-9]\{4\}\-[0-9]\{2\}\-[0-9]\{2\}\)\..*/\1/g"`
        if [[ "$aa" =~ "$t" ]];then
                flag="777";
        fi
   	done
   	if [[ "a$flag" =~ "a666" ]];then
   	rm -rf $v
   	fi
	done