Os.listdir
os.listdir is a Python standard-library function that returns the names of entries in a specified filesystem directory.
The Quick Python Book, Fourth Edition
os.listdir is a Python standard-library function that returns the names of entries in a filesystem directory.
- How it is used
- Lists files and folders while demonstrating practical filesystem navigation through the current working directory.
- How deep it goes
- Defines returned entries, relative-path resolution, and current-directory effects, but defers deeper filesystem implementation details.
- Examples
- Demonstrates listings before and after os.chdir, including Colaboratory's sample_data directory and wildcard alternatives with glob.
- What you can do after
- Apply it via Python's os module to inspect directory contents relative to an explicit path or current working directory.
Read how The Quick Python Book, Fourth Edition explains os.listdir →
Python Workout: 50 ten-minute exercises
os.listdir is a Python standard-library function that returns the names of entries in a specified directory.
- How it is used
- Lists directory entries as a starting point for file processing, extension analysis, and directory-oriented exercises.
- How deep it goes
- Defines the returned names and key limitations, then compares pattern-based and object-oriented alternatives.
- Examples
- Uses /etc/ listings, configuration-file patterns, file extensions, server logs, and recursive file processing.
- What you can do after
- Apply it via Python's os module, then construct usable paths or switch tools for filtering and recursion.
Read how Python Workout: 50 ten-minute exercises explains os.listdir →
Learn AI-Assisted Python Programming, Second Edition
os.listdir is a Python function that returns the names of entries in a specified filesystem directory.
- How it is used
- Uses directory-entry names to support an automated picture-merging task.
- How deep it goes
- Demonstrates a practical call inside nested file-processing functions, without detailing implementation internals.
- Examples
- Uses pictures1, pictures2, and pictures_combined to demonstrate duplicate-aware directory merging.
- What you can do after
- Apply it via Python to inspect directory entries while building tested file-processing automation.
Read how Learn AI-Assisted Python Programming, Second Edition explains os.listdir →
Related concepts
- ospart of · The os module is Python’s standard-library interface to operating-system services, including filesystem, pathname, process, and environment operations.
- glob modulealternative to · The glob module is a Python standard-library module for finding filesystem pathnames that match shell-style wildcard patterns.
- os.path.joinused by · os.path.join is a Python standard-library function that combines pathname components using the host operating system’s separator conventions.
- relative pathnameuses · A relative pathname identifies a filesystem or resource location relative to a designated base location rather than an absolute root or origin.
- os.walkalternative to · os.walk is a Python standard-library function that recursively traverses a directory tree and yields each directory’s path, subdirectories, and files.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.