Enforce POSIX-compliant shell scripting conventions across repositories.
npx skills add https://github.com/nevir/agentfill --skill shell-style
Please help me install this Agent Skill. Skill: shell-style Source: https://github.com/nevir/agentfill/tree/main/.agents/skills/shell-style Command: npx skills add https://github.com/nevir/agentfill --skill shell-style
This guide standardizes POSIX shell scripting practices to improve portability, readability, and reliability across environments by enforcing POSIX-compliant conventions.
Review and refactor your shell scripts to conform to the POSIX shell style guide.
High-intent search queries and answers about installing and using this skill.
You can enforce POSIX shell style by applying rules that mandate tab-based indentation, proper quoting, and POSIX-compliant tests like [ ] instead of bashisms. This standardizes script structure including shebangs and set -e for predictable behavior.
Common bashisms to avoid include using non-POSIX test brackets and improper variable quoting. Avoiding these bashisms and enforcing POSIX shell style ensures your scripts maintain compatibility and predictable behavior across Linux, macOS, and Windows shells.
To refactor shell scripts to be POSIX compliant, review and update them to use [ ] tests, proper quoting, and tab-based indentation. This refactoring process aligns your collection of .sh files with the POSIX shell style guide.
Yes, POSIX shell style works across Linux, macOS, and Windows shells. By enforcing POSIX-compliant conventions and avoiding bashisms, the style guide maximizes portability, readability, and maintainability of your scripts across different environments.
Your shell script might fail on different operating systems due to bashisms and non-POSIX compliant practices. Enforcing POSIX shell style with standard structure and proper quoting resolves these portability issues across Linux, macOS, and Windows shells.
A portable POSIX shell script should follow a consistent structure including a shebang, set -e for error handling, modular utilities, and clearly separated sections. This POSIX shell style structure improves readability and reliability across environments.
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