bash-pro

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• Instructions
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• Focus Areas
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• Compatibility & Portability
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Writing or reviewing Bash scripts for automation, CI/CD, or ops Hardening shell scripts for safety and portability You need POSIX-only shell without Bash features The task requires a higher-level language for complex logic You need Windows-native scripting (PowerShell) 1. Define script inputs, outputs, and failure modes. 2. Apply strict mode and safe argument parsing. 3. Implement core logic with defensive patterns. 4. Add tests and linting with Bats and ShellCheck. Treat input as untrusted; avoid eval and unsafe globbing. Prefer dry-run modes before destructive actions. Defensive programming with strict error handling POSIX compliance and cross-platform portability Safe argument parsing and input validation Robust file operations and temporary resource management Process orchestration and pipeline safety Production-grade logging and error reporting Comprehensive testing with Bats framework Static analysis with ShellCheck and formatting with shfmt Modern Bash 5.x features and best practices CI/CD integration and automation workflows Always use strict mode with set -Eeuo pipefail and proper error trapping Quote all variable expansions to prevent word splitting and globbing issues Pr

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