File System Methods

import os

Get Info

# get the current working directory path as a string (pwd - linux, windows)
os.getcwd() 

'/home/mmblack/Documents/project/mynotes/content/python/basics'

# get the contents of the current working directory as a list of strings(ls -linux, dir - windows)
os.listdir()

['simple-python.md',
 'rock-paper-scissor.md',
 'Find-you-IP-id-and-name.ipynb',
 'auto-search.ipynb',
 'template-simple-add.md',
 'auto-search.md',
 'break-with-youtube-song.ipynb',
 'caesar-cipher.md',
 'template-simple-add.ipynb',
 'template-Copy1.md',
 'mult.md',
 'Find-you-IP-id-and-name.md',
 '.ipynb_checkpoints',
 'simple-python.ipynb',
 'template.ipynb',
 'template.md',
 'caesar-cipher.ipynb',
 'mult.ipynb',
 'File-System-Methods.ipynb',
 'break-with-youtube-song.md',
 'rock-paper-scissor.ipynb']

# returns a generator with name and path info for directories and 
# files in the the current directory and all subdirectories— no exact short CLI equivalent, 
# but ls -R provides subdirectory names and the names of files within subdirectories

path = '/home/mmblack/Documents/project/mynotes/content/'
for root, dirs, files in os.walk(path):
    print(root)
    print(dirs)
    print(files)
    print('______________________________________________________________')

/home/mmblack/Documents/project/mynotes/content/
['python']
[]
______________________________________________________________
/home/mmblack/Documents/project/mynotes/content/python
['basics', 'pandas']
[]
______________________________________________________________
/home/mmblack/Documents/project/mynotes/content/python/basics
['.ipynb_checkpoints']
['simple-python.md', 'rock-paper-scissor.md', 'Find-you-IP-id-and-name.ipynb', 'auto-search.ipynb', 'template-simple-add.md', 'auto-search.md', 'break-with-youtube-song.ipynb', 'caesar-cipher.md', 'template-simple-add.ipynb', 'template-Copy1.md', 'mult.md', 'Find-you-IP-id-and-name.md', 'simple-python.ipynb', 'template.ipynb', 'template.md', 'caesar-cipher.ipynb', 'mult.ipynb', 'File-System-Methods.ipynb', 'break-with-youtube-song.md', 'rock-paper-scissor.ipynb']
______________________________________________________________
/home/mmblack/Documents/project/mynotes/content/python/basics/.ipynb_checkpoints
[]
['mult-checkpoint.ipynb', 'caesar-cipher-checkpoint.ipynb', 'rock-paper-scissor-checkpoint.ipynb', 'File-System-Methods-checkpoint.ipynb', 'auto-search-checkpoint.ipynb', 'Find-you-IP-id-and-name-checkpoint.ipynb', 'template-checkpoint.ipynb', 'break-with-youtube-song-checkpoint.ipynb', 'template-simple-add-checkpoint.ipynb']
______________________________________________________________
/home/mmblack/Documents/project/mynotes/content/python/pandas
['.ipynb_checkpoints']
['DataFrame_object.md', 'Series_object.md', 'Series_object.ipynb', 'template-Copy2.ipynb', 'Loading_data_from_files.ipynb', 'zero.ipynb', 'DataFrame_object.ipynb', 'zero.md', 'Loading_data_from_files.md', 'template.ipynb', 'template.md', 'template-Copy2.md']
______________________________________________________________
/home/mmblack/Documents/project/mynotes/content/python/pandas/.ipynb_checkpoints
[]
['zero-checkpoint.ipynb', 'DataFrame_object-checkpoint.ipynb', 'Series_object-checkpoint.ipynb', 'template-checkpoint.ipynb', 'template-Copy2-checkpoint.ipynb', 'Loading_data_from_files-checkpoint.ipynb']
______________________________________________________________

Change Things

#change the current working directory (cd -linux,windows)

print("curent dir:",os.getcwd())
os.chdir('/')
print("new dir:",os.getcwd())

curent dir: /home/mmblack/Documents/project/mynotes/content/python/basics
new dir: /

# create a path for later use
os.path.join()

# make directory(aka folder) (mkdir -linux)
os.makedirs('/home/mmblack/Disktop/happy')
# change directory
os.chdir('/home/mmblack/Disktop')
# list directory 
os.listdir()

['happy']

# copy a file or directory (cp -linux)
# shutil.copy2("source_file", "destination")
import shutil #this library of copy