ospathex.py

#!/usr/bin/env python

import os
for tmpdir in ('/tmp', 'c:/windows/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...'
    file = open('test', 'w')
    file.write('foo\n')
    file.write('bar\n')
    file.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:'
    file = open(path)
    allLines = file.readlines()
    file.close()
    for eachLine in allLines:
	print eachLine,

    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'