redis2txt-获取redis数据并存储到txt文件

list类型：
  redis-cli -h ip LRANGE key 0 999999 | while read item
    do
     echo $item >> /tmp/listdata.txt
    done

set类型：
redis-cli -h ip smembers key | while read item
    do
        echo $item >> ./setdata.txt
    done