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Files & data

Read and write files safely; parse JSON, CSV, and common text formats.

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How to Filter Files by Extension and Size in Python

Use pathlib to list files in a directory, filter by extension or minimum size, and return matching names or (name, size) pairs.

pathlib filesystem filtering
Python 
from pathlib import Path

def filter_files_by_extension(directory: str, extension: str) -> list:
    """Return a list of file names in directory with the given extension."""
    path = Path(directory)
    return [f.name for f in path.iterdir() if f.is_file() and f.suffix == extension]

def filter_files_by_size(directo…
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