Redis获取某个前缀的key脚本实例

#!/usr/bin/env python

# -*- coding: UTF-8 -*-

#作用：统计某个前缀key的个数，并将其输入到文件

#使用方法：python scan_redis.py apus* 100

__author__ = "lcl"

import sys

import redis

import os

pool=redis.ConnectionPool(host='192.168.225.128',port=6379,db=0)

r = redis.StrictRedis(connection_pool=pool)

#扫描匹配值，通过sys.argv传参

match = sys.argv[1]

#每次匹配数量

count = sys.argv[2]

#print match

#print count

#总数量

total = 0

#扫描到的key输出到文件

path = os.getcwd()

#扫描到的key输出的文件

txt = path+"/keys.txt"

f = open(txt,"w")

for key in r.scan_iter(match = match,count = count):

# f.write("%s %s" % (key,"\n"))

 f.write(key+"\n")

 total = total+1

f.close

print "匹配: %s 的数量为:%d " % (match,total)