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python file path operation

巴扎黑
巴扎黑Original
2016-12-03 10:45:211627browse

import os.path
path = '/home/vamei/doc/file.txt'
print(os.path.basename(path))    # 查询路径中包含的文件名
print(os.path.dirname(path))     # 查询路径中包含的目录
info = os.path.split(path)       # 将路径分割成文件名和目录两个部分,放在一个表中返回
print(info)
path2 = os.path.join('/', 'home', 'vamei', 'doc', 'file1.txt')  # 使用目录名和文件名构成一个路径字符串,字符串拼接 输出:/home\vamei\doc\file1.txt
p_list = [path, path2]
print(os.path.commonprefix(p_list))    # 查询多个路径的共同部分
os.path.normpath(path)   # 去除路径path中的冗余。比如'/home/vamei/../.'被转化为'/home'
print(os.path.exists(path))    # 查询文件是否存在
print(os.path.getsize(path))   # 查询文件大小
print(os.path.getatime(path))  # 查询文件上一次读取的时间
print(os.path.getmtime(path))  # 查询文件上一次修改的时间
print(os.path.isfile(path))    # 路径是否指向常规文件
print(os.path.isdir(path))     # 路径是否指向目录文件

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