列出Python中目录的所有文件
Python提供了os.walker或glob之类的内置模块来构建类似于find的函数，以列出给定目录及其子目录中的文件或文件夹。
沃克
1）在提供的目录和子目录中列出所有扩展名为.py的文件
Python 3.6.8 (default, Apr 25 2019, 21:02:35)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> cwd =os.getcwd()>>> print("current dir {}".format(cwd))
current dir /home/user/Desktop/my_work/python_samples
>>> files = []
#r=根目录，d=目录，f=文件
>>> for r, d, f in os.walk(cwd):
... for file in f:
... if '.py' in file:
... files.append(os.path.join(r, file))
...
>>> for f in files:
... print(f)...输出结果
/home/user/Desktop/my_work/python_samples/src/samples/regular_expression_examples.py /home/user/Desktop/my_work/python_samples/src/samples/if_main.py /home/user/Desktop/my_work/python_samples/src/samples/second_module.py /home/user/Desktop/my_work/python_samples/src/samples/sub_process_samples.py /home/user/Desktop/my_work/python_samples/src/samples/dictionaries.py
2）列出所有目录和子目录
Python 3.6.8 (default, Apr 25 2019, 21:02:35)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> cwd =os.getcwd()>>> print("current dir {}".format(cwd))
current dir /home/user/Desktop/my_work/python_samples
>>> folders = []
>>> for r,d,f in os.walk(cwd):
... for folder in d:
... folders.append(os.path.join(r, folder))
...
>>> for f in folders:
... print(f)输出结果
/home/user/Desktop/my_work/python_samples/src /home/user/Desktop/my_work/python_samples/test /home/user/Desktop/my_work/python_samples/test_1
球状
1）在提供的目录和子目录中列出所有扩展名为.py的文件
Python 3.6.8 (default, Apr 25 2019, 21:02:35) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux Type "help", "copyright", "credits" or "license" for more information. import glob cwd = "/home/user/Desktop/my_work/python_samples/" >>> files = [f for f in glob.glob(cwd + "**/*.py", recursive=True)] >>> for f in files: ... print(f)['/home/user/Desktop/my_work/python_samples/src/samples/regular_expression_examples.py', '/home/user/Desktop/my_work/python_samples/src/samples/if_main.py', '/home/user/Desktop/my_work/python_samples/src/samples/second_module.py', '/home/user/Desktop/my_work/python_samples/src/samples/sub_process_samples.py']
2）列出所有目录和子目录
Python 3.6.8 (default, Apr 25 2019, 21:02:35) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux Type "help", "copyright", "credits" or "license" for more information. import glob cwd = "/home/user/Desktop/my_work/python_samples/" >>> folders = [f for f in glob.glob(cwd + "**/", recursive=True)] >>> for f in folders: ... print(f)
输出结果
/home/user/Desktop/my_work/python_samples/ /home/user/Desktop/my_work/python_samples/src/ /home/user/Desktop/my_work/python_samples/src/samples/