#!/usr/bin/env python# -*- coding: UTF-8 -*- #功能：掃描某個key里面的所有元素#使用方法：python bigkey_save_values.py "zyyset" "m*" 100#如需獲取全部的元素：python bigkey_save_values.py "zyyset" "*" 100__author__ = "lcl" import sysimport redis import os pool=redis.ConnectionPool(host='192.168.225.128',port=6379,db=0) r = redis.StrictRedis(connection_pool=pool) #指定keykey = sys.argv[1]#掃描匹配值match = sys.argv[2]#每次匹配數量count = sys.argv[3]#總數量total = 0#獲取當前路徑path = os.getcwd()keytype = r.type(key)print "key的類型為%s" % (keytype)#掃描到的key輸出的文件txt = path+"/%s.txt" % (key)#打開文件#f = open(txt,"w")def list_iter(name): list_count = r.llen(key) for index in range(list_count):  yield r.lindex(key, index)if keytype=='list': f = open(txt,"w") for item in list_iter(key):#將匹配到對應key中的member/score輸出到文件中  f.write("%s %s" % (item,"/n"))  total = total+1 f.closeelif keytype=='hash': f = open(txt,"w") for item in r.hscan_iter(key,match = match,count = count):#將匹配到對應key中的member/score輸出到文件中  f.write("%s %s" % (item,"/n"))  total = total+1 f.closeelif keytype=='set': f = open(txt,"w") for item in r.sscan_iter(key,match = match,count = count):  f.write("%s %s" % (item,"/n"))  total = total+1 f.closeelif keytype=='zset': f = open(txt,"w") for item in r.zscan_iter(key,match = match,count = count):  f.write("%s %s" % (item,"/n"))  total = total+1 f.closeelse: print("key的類型為string，value為：" + r.get(key))print "key:%s的match：%s的數量為：%d" % (key,match,total)