Python-文件操作

# -*- coding:utf -8 -*-

文件内容：

12,aa
13,bb
14,cc
15,dd

def wdict(fname):
    d = {}
    try:
        with open(fname) as fobj:
            for line in fobj:
                (key,value) = line.strip().split(‘,‘)
                d[key] = value
    except Exception,e:
        print e
    return d

if __name__ == ‘__main__‘:
    print wdict(‘D:td1.txt‘)

结果：
{‘11‘: ‘aa‘,‘33‘: ‘cc‘,‘22‘: ‘bb‘}

# -*- coding: utf -8 -*-

# 将‘/bin/ls‘目录复制到‘/tmp/ls‘目录

src_fname = ‘/bin/ls‘
dst_fname = ‘/tmp/ls‘
# rb wb 读二进制在windows中用，linux中不需要加
src_fobj = open(src_fname,‘rb‘)
dst_fobj = open(dst_fname,‘wb‘)

while True:
    # 每次最大读取4096字节
    data = src_fobj.read(4096)
    # 如果为空，没有可读取的字节，终止循环
    if data == ‘‘:
        break
    dst_fobj.write(data)

src_fobj.close()
dst_fobj.close()

import time


point = 0
while True:
    ipdict={}
    with open(r‘D:PTdaccess.log‘) as fobj:
        fobj.seek(point)
        for line in fobj:
            ip = line.split()[0]
            if ip not in ipdict:
                ipdict[ip] = 1
            else:
                ipdict[ip]+=1
        point = fobj.tell()
    for k,v in ipdict.items():
        if v > 100:
            print(k,v)
    time.sleep(60)