import os
for tmpdir in ('/tmp', r'c:\temp'):
if os.path.isdir(tmpdir):
break
else:
print 'no temp directory available'
tmpdir = ''
if tmpdir:
os.chdir(tmpdir)
cwd = os.getcwd()
print '*** current temporary directory'
print cwd
print '*** creating example directory...'
os.mkdir('example')
os.chdir('example')
cwd = os.getcwd()
print '*** new working directory:'
print cwd
print '*** original directory listing:'
print os.listdir(cwd)
print '*** creating test file...'
fobj = open('test', 'w')
fobj.write('foo\n')
fobj.write('bar\n')
fobj.close()
print '*** updated directory listing:'
print os.listdir(cwd)
print "*** renaming 'test' to 'filetest.txt'"
os.rename('test', 'filetest.txt')
print '*** updated directory listing:'
print os.listdir(cwd)
path = os.path.join(cwd, os.listdir (cwd)[0])
print '*** full file pathname'
print path
print '*** (pathname, basename) =='
print os.path.split(path)
print '*** (filename, extension) =='
print os.path.splitext(os.path.basename(path))
print '*** displaying file contents:'
fobj = open(path)
for eachLine in fobj:
print eachLine
fobj.close()
print '*** deleting test file'
os.remove(path)
print '*** updated directory listing:'
print os.listdir(cwd)
os.chdir(os.pardir)
print '*** deleting test directory'
os.rmdir('example')
print '*** DONE'
- 在 DOS 窗口下執(zhí)行這個例子輸出如下：
*** current temporary directory
C:\Users\gaolihong\Desktop\exercise
*** creating example directory...
*** new working directory:
C:\Users\gaolihong\Desktop\exercise\example
*** original directory listing:
[]
*** creating test file...
*** updated directory listing:
['test']
*** renaming 'test' to 'filetest.txt'
*** updated directory listing:
['filetest.txt']
*** full file pathname
C:\Users\gaolihong\Desktop\exercise\example\filetest.txt
*** (pathname, basename) ==
('C:\Users\gaolihong\Desktop\exercise\example', 'filetest.txt')
*** (filename, extension) ==
('filetest', '.txt')
*** displaying file contents:
foo
bar
*** deleting test file
*** updated directory listing:
[]
*** deleting test directory
*** DONE
[Finished in 0.1s]
