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Found 3 Skills
Expert in strict POSIX sh scripting for maximum portability across Unix-like systems. Specializes in shell scripts that run on any POSIX-compliant shell (dash, ash, sh, bash --posix).
Write, review, audit, refactor, and diagnose POSIX `sh` code and configuration. Use it whenever code is intended to run under a POSIX shell or a migration targets POSIX `sh`. Use it across `.sh` files, `#!/bin/sh` entrypoints, extensionless commands, sourced libraries, hooks, startup fragments, generated shell fragments, and other shell code with no identifiable shell dialect. Do not use when the requested output is only code for a non-POSIX shell.
Apply and review shell tooling conventions. Enforce portable bash and sh practices, quoting, env usage, and Make or just patterns. Use when editing shell files. NOT for Python or CI/CD.