Python: Scan a specified directory and identify the sub directories and files
Python Operating System Services: Exercise-3 with Solution
Write a Python program to scan a specified directory and identify the sub directories and files.
Sample Solution:
Python Code :
import os
root = 'g:\\testpath\\'
for entry in os.scandir(root):
if entry.is_dir():
typ = 'dir'
elif entry.is_file():
typ = 'file'
elif entry.is_symlink():
typ = 'link'
else:
typ = 'unknown'
print('{name} {typ}'.format(
name=entry.name,
typ=typ,
))
Sample Output:
a dir b dir c dir d dir e dir f dir p.txt file q.txt file r.docx file s.xlsx file
Python Code Editor:
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Previous: Write a Python program to list only directories, files and all directories, files in a specified path.
Next: Write a Python program to check for access to a specified path. Test the existence, readability, writability and executability of the specified path.
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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