Define POSIX sh syntax and safety rules for portable shell scripts.
npx skills add https://github.com/KentoShimizu/sw-agent-skills --skill sh-style-guide
Please help me install this Agent Skill. Skill: sh-style-guide Source: https://github.com/KentoShimizu/sw-agent-skills/tree/main/skills/sh-style-guide Command: npx skills add https://github.com/KentoShimizu/sw-agent-skills --skill sh-style-guide
POSIX sh scripts often suffer from portability and safety issues when moved across environments, CI workflows, or shells without Bash enhancements. This guide defines a portable baseline for style, readability, and robust behavior to reduce errors in shell automation.
Align new and existing shell scripts to POSIX-compliant conventions and enable the recommended safety checks.
High-intent search queries and answers about installing and using this skill.
To make POSIX sh scripts portable, enforce POSIX-only syntax and apply strict safety rules like set -eu and explicit error handling. This ensures shell scripts run consistently across different environments and CI workflows without relying on Bash enhancements.
The safest way to handle errors in POSIX sh scripting is using set -eu for strict error checking, applying strict quoting, and implementing explicit error handling. These practices prevent silent failures and maintain robust behavior in automation.
Yes, shell scripts need POSIX compliance for cross-platform tooling to avoid portability issues. Without POSIX-only syntax, scripts moved across environments or shells without Bash enhancements often break, causing failures in cross-platform automation.
The best way to standardize POSIX sh style and readability is aligning scripts to POSIX-compliant conventions. This includes portable syntax rules, standardized guidance, and CI-friendly scripting practices that reduce errors and improve maintainability.
Your sh script fails across different shell environments due to non-portable syntax and missing safety checks. Applying POSIX compatibility, set -eu, and explicit error handling resolves these portability and safety issues in shell automation.
jsamuelsen11Enforce safety, quoting, and portability conventions for Bash and POSIX sh scripts.
JingyueCongReview shell scripts for POSIX compliance and portability improvements.
buchananwillEnforce strict quoting, error handling, and variable hygiene in Bash scripts.
bnadlerjrAutomates defensive Bash and POSIX scripting across Linux, macOS, and other environments.
