Ccfg Shell

This skill should be used when implementing common shell script patterns such as argument parsing, logging, cleanup, temp files, script directory resolution, input validation, process management, and portability helpers. It provides ready-to-use patterns with CORRECT and WRONG examples.

This skill should be used when working on shell scripts, writing bash or sh code, reviewing shell scripts, or running shell-based automation. It covers safety rules, style rules, portability rules, and structure rules for production-quality shell scripting.