创建文件

中关村村草

转：孤独的猫

创建文件
创建和读出文件p2.py和p3.py

1. #!/usr/bin/python
   
2. import os
   
3. ls=os.linesep
   
4. fname = raw_input('Enter filename: ')
   
5. print
   
6. 
   
7. while True:
   
8.         if os.path.exists(fname):
   
9.                 print "Error '%s' already exists" % fname
   
10.         else:
    
11.                 break
    
12. 
    
13. all=[]
    
14. print "\nEnter lines ('.') by itself to quit).\n"
    
15. 
    
16. while True:
    
17.         entry=raw_input('>')
    
18.         if entry=='.':
    
19.                 break
    
20.         else:
    
21.                 all.append(entry)
    
22. 
    
23. fobj=open(fname,'w')

复制代码

执行python p2.py


读出文件

1. #!/usr/bin/env Python
   
2. 'readTextFile.py -- read and display text file'
   
3. # get filename
   
4. fname = raw_input('Enter filename: ')
   
5. print
   
6. # attempt to open file for reading
   
7. try:
   
8. fobj = open(fname, 'r')
   
9. except IOError, e:
   
10. print "*** file open error:", e
    
11. else:
    
12. # display contents to the screen
    
13. for eachLine in fobj:
    
14. print eachLine,
    
15. fobj.close()
    

复制代码

执行python p3.py