Python3基础 os listdir 列举指定的所有文件及文件夹的名字

Posted 2021-01-10 xingchuxin

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•                    python : 3.7.0
•                           OS : Ubuntu 18.04.1 LTS
  
•                          IDE : PyCharm 2018.2.4
•                      conda : 4.5.11
•            type setting : Markdown

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code

[email protected]:~$ source activate py37
(py37) [email protected]:~$ ipython
Python 3.6.5 |Anaconda, Inc.| (default, Apr 29 2018, 16:14:56) 
Type ‘copyright‘, ‘credits‘ or ‘license‘ for more information
IPython 6.4.0 -- An enhanced Interactive Python. Type ‘?‘ for help.

In [1]: import os

In [2]: cd /home/coder/
/home/coder

In [3]: ls -l
总用量 84
drwxr-xr-x 23 coder coder  4096 9月  30 18:41 anaconda3/
drwxr-xr-x  4 coder coder  4096 10月  2 11:57 Desktop/
drwxr-xr-x  2 coder coder  4096 10月  1 01:40 Documents/
drwxr-xr-x  2 coder coder  4096 10月  1 01:40 Downloads/
-rw-r--r--  1 coder coder  8980 9月  30 17:26 examples.desktop
-rwxrwxr-x  1 coder coder  2354 4月  28  2009 get-fonts.sh*
-rw-rw-r--  1 coder coder  1042 4月  28  2009 get-fonts.sh.zip
drwxr-xr-x  2 coder coder  4096 10月  1 01:40 Music/
drwxr-xr-x  3 coder coder 12288 10月  1 17:38 Pictures/
drwxr-xr-x  2 coder coder  4096 10月  1 01:40 Public/
drwxr-xr-x 11 coder coder  4096 9月  30 18:51 pycharm-2018.2.4/
drwxrwxr-x  5 coder coder  4096 10月  2 12:04 PycharmProjects/
drwxr-xr-x  3 coder coder  4096 9月  30 22:09 snap/
drwxr-xr-x  2 coder coder  4096 10月  1 01:40 Templates/
drwxr-xr-x  2 coder coder  4096 9月  30 18:51 ubuntu_software/
drwxr-xr-x  2 coder coder  4096 10月  1 01:40 Videos/

In [4]: os.listdir("/home/coder")
Out[4]: 
[‘.presage‘,
 ‘.sogouinput‘,
 ‘snap‘,
 ‘.ipython‘,
 ‘.PyCharm2018.2‘,
 ‘.vscode‘,
 ‘Pictures‘,
 ‘.dbus‘,
 ‘.xinputrc‘,
 ‘Downloads‘,
 ‘.conda‘,
 ‘get-fonts.sh.zip‘,
 ‘Videos‘,
 ‘.local‘,
 ‘ubuntu_software‘,
 ‘.mplayer‘,
 ‘.thunderbird‘,
 ‘.mozilla‘,
 ‘examples.desktop‘,
 ‘.bash_logout‘,
 ‘.gconf‘,
 ‘Music‘,
 ‘.byobu‘,
 ‘.gnupg‘,
 ‘Desktop‘,
 ‘pycharm-2018.2.4‘,
 ‘.bash_history‘,
 ‘.sudo_as_admin_successful‘,
 ‘.config‘,
 ‘Templates‘,
 ‘.bashrc‘,
 ‘get-fonts.sh‘,
 ‘.python_history‘,
 ‘PycharmProjects‘,
 ‘Public‘,
 ‘.pam_environment‘,
 ‘.profile‘,
 ‘.shutter‘,
 ‘.thumbnails‘,
 ‘.cache‘,
 ‘Documents‘,
 ‘.pki‘,
 ‘.java‘,
 ‘anaconda3‘,
 ‘.gnome2‘,
 ‘.ICEauthority‘]

In [5]: exit
(py37) [email protected]:~$ source deactivate
[email protected]:~$ 

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resource

• [文档] https://docs.python.org/3/
• [规范] https://www.python.org/dev/peps/pep-0008/
• [规范] https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules/
• [源码] https://www.python.org/downloads/source/
• [ PEP ] https://www.python.org/dev/peps/
• [平台] https://www.cnblogs.com/

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Python具有开源、跨平台、解释型、交互式等特性，值得学习。
Python的设计哲学：优雅，明确，简单。提倡用一种方法，最好是只有一种方法来做一件事。
代码的书写要遵守规范，这样有助于沟通和理解。
每种语言都有独特的思想，初学者需要转变思维、踏实践行、坚持积累。