redis 模糊删除脚本

#!/bin/bash
#修改成自己的ip、密码、库名以及所要匹配的字符串
db_ip=192.168.1.100
db_port=6379
password=963852741
dbnum=0
str="niubi:*"
cursor=0
cnt=1000
new_cursor=0

redis-cli -h $db_ip -p $db_port -a $password -n $dbnum   scan   $cursor  match $str   count $cnt > scan_tmp_result
new_cursor=`sed -n '1p' scan_tmp_result`
sed -n '2,$p' scan_tmp_result > scan_result

sed  -n '1,$p' scan_result|xargs   redis-cli -h $db_ip -p $db_port -a $password -n $dbnum  del     >/dev/null

while [ $cursor -ne $new_cursor ]
do
    redis-cli -h $db_ip -p $db_port -a $password  -n $dbnum  scan     $new_cursor match  $str   count $cnt > scan_tmp_result
    new_cursor=`sed -n '1p' scan_tmp_result`
    sed -n '2,$p' scan_tmp_result > scan_result
    sed  -n '1,$p' scan_result|xargs   redis-cli -h $db_ip -p $db_port -a $password -n $dbnum  del     >/dev/null
done