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Shell Gotchas

Agent skill
1 skill

Catalogs shell pitfalls ShellCheck cannot detect — GNU vs BSD/macOS divergence, set -e blind spots, git hook environment leakage, bash 3.2 limits. This skill should be used when writing, editing, reviewing, or debugging shell scripts or snippets — .sh/.bash files, sh or bash shebang lines, git hooks, .bats tests, installers, wrapper/launcher scripts, Makefile recipes, or CI run steps — especially POSIX or portable code that must run on both macOS/BSD and Linux, handle arbitrary filenames, or run inside a git hook or Claude Code hook environment.

Install with
Claude CodeCodexCursorGitHub CopilotGemini CLI

Supported by the Atlas install prompt. Skill-specific requirements vary.

Skill stats

Skills1CategoryDeveloper toolsStars0

About this skill

Catalogs shell pitfalls ShellCheck cannot detect — GNU vs BSD/macOS divergence, set -e blind spots, git hook environment leakage, bash 3.2 limits. This skill should be used when writing, editing, reviewing, or debugging shell scripts or snippets — .sh/.bash files, sh or bash shebang lines, git hooks, .bats tests, installers, wrapper/launcher scripts, Makefile recipes, or CI run steps — especially POSIX or portable code that must run on both macOS/BSD and Linux, handle arbitrary filenames, or run inside a git hook or Claude Code hook environment.

Quick start

  1. Copy the install prompt. Use the green button above this README.
  2. Send it to your agent. Paste it into your coding agent’s chat and send.
  3. Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill

This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.

Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: 3c05dd825eb41acf620696b4d6090e91f4d7d01fe79fdf8cb3ae0d095e6c20ac

About scan coverage and limitations

About this listing

Category
Developer tools
Reported license
Not specified
Listing language (estimated)
English
Review status
Not individually reviewed
Agent compatibility
Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.
Shell Gotchas | Agent Skills Atlas