python file path operation

巴扎黑
Release: 2016-12-03 10:45:21
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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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