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Shell

by @xueyetianya

Shell scripting reference — Bash syntax, redirections, process substitution, signal handling, debugging techniques. Use when writing shell scripts, troublesh...

Versionv1.0.0
Downloads5,733
Installs33
Stars⭐ 1
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TERMINAL
clawhub install shell

📖 About This Skill

name: "shell" version: "1.0.0" description: "Shell scripting reference — Bash syntax, redirections, process substitution, signal handling, debugging techniques. Use when writing shell scripts, troubleshooting Bash behavior, or automating system tasks." author: "BytesAgain" homepage: "https://bytesagain.com" source: "https://github.com/bytesagain/ai-skills" tags: [shell, bash, scripting, linux, unix, terminal, automation, devtools] category: "devtools"

Shell — Shell Scripting Reference

Quick-reference skill for Bash shell scripting, built-in features, and best practices.

When to Use

  • Writing reliable Bash scripts with proper error handling
  • Understanding redirections, pipes, and process substitution
  • Managing signals, traps, and background processes
  • Debugging shell scripts with set options and tracing
  • Choosing between shell features and external tools

    • Commands

    intro

    scripts/script.sh intro

    Overview of shell scripting — Bash features, shebang, execution, portability.

    variables

    scripts/script.sh variables

    Variables — declaration, scope, arrays, parameter expansion, special variables.

    control

    scripts/script.sh control

    Control flow — if/else, case, for, while, until, select, functions.

    redirections

    scripts/script.sh redirections

    Redirections and pipes — stdin/stdout/stderr, heredocs, process substitution.

    safety

    scripts/script.sh safety

    Safety practices — set -euo pipefail, quoting, shellcheck, error handling.

    tools

    scripts/script.sh tools

    Essential tools — awk, sed, grep, find, xargs, cut, sort, jq patterns.

    signals

    scripts/script.sh signals

    Signals and traps — SIGTERM, SIGINT, cleanup handlers, background jobs.

    checklist

    scripts/script.sh checklist

    Shell script quality checklist.

    help

    scripts/script.sh help

    version

    scripts/script.sh version

    Configuration

    | Variable | Description | |----------|-------------| | SHELL_DIR | Data directory (default: ~/.shell/) |

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    ⚡ When to Use

    TriggerAction
    - Understanding redirections, pipes, and process substitution
    - Managing signals, traps, and background processes
    - Debugging shell scripts with set options and tracing
    - Choosing between shell features and external tools

    ⚙️ Configuration

    | Variable | Description | |----------|-------------| | SHELL_DIR | Data directory (default: ~/.shell/) |

    *Powered by BytesAgain | bytesagain.com | hello@bytesagain.com*

    ✅ SafeSecurity Score: 100/100Quality: AShell scripting reference skill. Provides bash documentation, examples, and command generation. Well-documented script (586 lines). No dangerous patterns detected.