[Python基础]010.os模块(2)

import os

filename = ‘/Users/superdo/test.txt‘

# 分割路径
_dir, _file = os.path.split(filename)
print _dir      # /Users/superdo
print _file     # test.txt

# 目录名
print os.path.dirname(filename)     # /Users/superdo

# 文件名
print os.path.basename(filename)    # test.txt

# 扩展名
_filename, _ext = os.path.splitext(filename)
print _filename     # /Users/superdo/test
print _ext          # .txt

# 路径组合
f = os.path.join(‘Users‘, ‘superdo‘, ‘test.txt‘)
print f     # Users/superdo/test.txt

import os

filename = ‘/Users/superdo/test.txt‘

print os.path.exists(filename)      # 判断存在

print os.path.isdir(filename)       # 判断文件夹

print os.path.isfile(filename)      # 判断文件

print os.path.islink(filename)      # 判断连接文件

print os.path.ismount(filename)     # 判断挂载文件

print os.path.isabs(filename)       # 判断绝对路径

import os

filename = ‘/Users/superdo/ac/../path.txt‘

# 获得相对路径
print os.path.relpath(filename)     # 获得相对于当前路径的路径
print os.path.relpath(filename, ‘/Users‘)   # 获得相对于/Users的路径

# 绝对路径
print os.path.abspath(filename)

# 标准化路径
print os.path.normpath(filename)

# 获得多个路径中的共同路径

f1 = ‘/Users/superdo/zergling/file.txt‘
f2 = ‘/Users/superdo/ac/file.txt‘
f3 = ‘/Users/superdo/horse/file.txt‘
print os.path.commonprefix([f1, f2, f3])    # /Users/superdo/

import os
import 

filename = ‘/Users/superdo/test.txt‘

print os.path.getatime(filename)
print os.path.getmtime(filename)
print os.path.getctime(filename)
print os.path.getsize(filename)

import os

f1 = ‘/Users/superdo/file.txt‘
f2 = ‘/Users/superdo/file.txt‘

print os.path.samefile(f1, f2)

fp1 = open(f1)
fp2 = open(f2)

print os.path.sameopenfile(fp1.fileno(), fp2.fileno())

fs1 = os.stat(f1)
fs2 = os.stat(f2)

print os.path.samestat(fs1, fs2)