nastya-tail-lnu 0.1.2

Lightweight and optimized implementation of Unix tail utility

nastya-tail

⚡ Lightweight and optimized implementation of Unix tail utility in Python with Click framework.

Features

• ✅ Output last N lines from files or stdin (default: 10)
• ✅ Byte-based output with -c option
• ✅ Multiple file support with headers
• ✅ Memory-efficient using deque for large files
• ✅ Optimized file seeking for byte operations
• ✅ Compatible with Unix tail behavior
• ✅ Published on PyPI

Installation

pip install nastya-tail-lnu

Usage

# Last 10 lines (default)
tail file.txt

# Last 20 lines
tail -n 20 file.txt

# Last 100 bytes
tail -c 100 file.txt

# Multiple files with headers
tail file1.txt file2.txt

Command Options

Option	Description
-n, --lines N	Output the last N lines (default: 10)
-c, --bytes N	Output the last N bytes
-v, --verbose	Always print filename headers
-q, --quiet	Never print filename headers
-h, --help	Show help message

Performance

• Uses collections.deque for memory efficiency
• File seeking for byte operations
• Memory usage: O(n) where n is number of lines to output
• Works efficiently with GB-sized files

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📁 Структура директорій

Створіть таку структуру:

nastya-tail/
├── .github/
│   └── workflows/
│       └── pypi-publish.yml
├── nastya_tail/
│   ├── __init__.py
│   └── cli.py
├── .gitignore
├── LICENSE
├── MANIFEST.in
├── pyproject.toml
├── README.md
└── setup.py