checkcrontab 0.0.7

A Python3 script for checking syntax and correctness of crontab files

Checkcrontab - check syntax in crontab files

A Python script for checking syntax of crontab files. Cross-platform support for Linux, macOS, and Windows.

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Requirements

• Python 3.7 or higher
• Linux/Unix system with systemctl (for daemon checks)
• Read access to /etc/crontab (on Linux)

Installation

pip3 install checkcrontab

Or from GitHub:

pip3 install git+https://github.com/wachawo/checkcrontab.git

Usage

# Check system crontab (Linux only)
checkcrontab

# Check crontab file
checkcrontab /etc/crontab

# Check user crontab
checkcrontab username

# Check with explicit type flags
checkcrontab -S system.cron -U user.cron -u username1 -u username2

# Show help
checkcrontab --help

# Show version
checkcrontab --version

Command Line Options

• -S, --system - System crontab files
• -U, --user - User crontab files
• -u, --username - Usernames to check
• -v, --version - Show version
• -d, --debug - Debug output
• -n, --no-colors - Disable colored output

Features

• Cross-platform support (Linux, macOS, Windows)
• System and user crontab validation
• Time field validation (minutes, hours, days, months, weekdays)
• User existence validation (Linux/macOS)
• Dangerous command detection
• Special keyword support (@reboot, @daily, etc.)
• Multi-line command support

Features Documentation - Comprehensive guide to supported syntax, valid values, examples, and error messages.

Development Tools

pip3 install pre-commit flake8 pytest mypy ruff
pre-commit install
pre-commit run --all-files
pre-commit autoupdate

License

MIT License