文件处理

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

 2 

 3 import os

 4 

 5 #os.getcwd() 当前工作目录

 6 os.getcwd()

 7 

 8 #data = open('test1.txt')

 9 #print(data.readline())

10 

11 #返回文件起始位置

12 #data.seek(0)

13 

14 #if os.path.exists('test.txt'):

15 try:

16     data = open('test.txt')         #打开文件

17     for line in data:

18         try:

19             if not line.find(":") == -1:

20                 #print(line.strip('\n'))

21                 #文件处理, 过滤换行后, split 字符串分割操作

22                 (role, line_spoken) = line.strip('\n').split(":", 1)

23                 print(role + ' said: ' + line_spoken)

24         except ValueError:

25             pass

26 

27     data.close()

28 #else:

29 except IOError:

30     print("The data file is missing!")

 

 

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

 2 

 3 import os

 4 

 5 man = []

 6 other = []

 7 

 8 try:

 9     data = open('test1.txt')                #打开文件

10     for line in data:

11         try:

12             #字符串处理, 读取一行过滤掉换行符, split 分割

13             (role, line_spoken) = line.strip('\n').split(':', 1)

14             line_spoken = line_spoken.strip()       #过滤掉前后空白

15             if role == 'Man':

16                 man.append(line_spoken)

17             elif role == 'Other Man':

18                 other.append(line_spoken)

19 

20         except:

21             pass

22     data.close()

23 

24 except IOError:

25     print("The datafile is missing!")

26 

27 try:

28     print os.getcwd()

29     man_file = open('man_data.txt', 'w')

30     other_file = open('other_data.txt', 'w')    #打开文件, 如果文件不存在, 自动创建

31 

32     man_file.write(str(man))                    #将列表转换为字符串,写入文件. 不转换产生异常

33     other_file.write(str(other))

34 

35 except IOError:

36     print("FileError!")

37 finally:

38     man_file.close()

39     other_file.close()