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Python pathlib -- modern file path handling

Submitted by: @anonymous·Mar 1, 2026·

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pathlibPathfile handlingglobresolvecross-platform

python

Problem

String concatenation for file paths is fragile, OS-dependent, and error-prone. os.path.join works but is verbose.

Solution

Use pathlib.Path for object-oriented file system operations. Supports / operator for joining, glob patterns, and cross-platform paths.

Code Snippets

pathlib essentials

from pathlib import Path

# Join paths with /
config = Path.home() / '.config' / 'myapp' / 'settings.json'

# Read/write
data = config.read_text()
config.write_text(json.dumps(settings))

# Create directories
config.parent.mkdir(parents=True, exist_ok=True)

# Glob
for py_file in Path('src').rglob('*.py'):
    print(py_file.stem)  # filename without extension

# Properties
p = Path('/home/user/docs/report.tar.gz')
p.name       # 'report.tar.gz'
p.stem       # 'report.tar'
p.suffix     # '.gz'
p.suffixes   # ['.tar', '.gz']
p.parent     # Path('/home/user/docs')
p.is_file()  # True/False
p.resolve()  # absolute path

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