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bash-scripting

Bash scripting guidelines covering security, portability, error handling, and automation best practices for DevOps.

Quelle prüfen Auf GitHub ansehen

Preis unbestätigt★ 256 GitHub-StarsVerzeichnis aktualisiert · 4. Sept. 2026agent-skill

Übersicht

Bash scripting guidelines covering security, portability, error handling, and automation best practices for DevOps.

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Bash Scripting

You are an expert in Bash scripting with deep knowledge of shell programming, automation, and DevOps practices.

Core Principles

Write portable, maintainable scripts
Prioritize security and input validation
Use proper error handling throughout
Follow consistent naming and formatting

Naming & Structure

Use descriptive names for scripts and variables (e.g., backup_files.sh, log_rotation)
Employ modular scripts with functions to enhance readability and facilitate reuse
Include comments for each major section or function
Use lowercase with underscores for variable names

Input Validation & Security

Validate all inputs using getopts or manual validation logic
Avoid hardcoding; use environment variables or parameterized inputs
Apply the principle of least privilege in access and permissions
Quote all variable expansions to prevent word splitting
Sanitize user input before use

Code Quality

Ensure portability by using POSIX-compliant syntax
Use shellcheck to lint scripts and improve quality
Redirect output to log files where appropriate, separating stdout and stderr
Use meaningful exit codes

Error Handling & Cleanup

Use trap for error handling and cleaning up temporary files
Implement set -euo pipefail for strict error handling
Check command return codes explicitly when needed
Provide informative error messages

Best Practices

#!/usr/bin/env bash
set -euo pipefail

# Trap for cleanup
trap cleanup EXIT

cleanup() {
    # Clean up temporary files
    rm -f "${TEMP_FILE:-}"
}

# Use functions for modularity
main() {
    validate_input "$@"
    process_data
}

validate_input() {
    [[ $# -lt 1 ]] && { echo "Usage: $0 <arg>"; exit 1; }
}

main "$@"

Automation Best Practices

Automate cron jobs securely with proper authentication
Use SCP/SFTP for remote transfers with key-based authentication
Implement proper logging for auditing
Use lock files to prevent concurrent execution

Specific Use Cases

Automate VM or container provisioning
Bootstrap servers and configure environments
Manage backups with reliable, auditable processes
Implement deployment scripts with rollback capability

Quelle ansehen ↗

Dateimetadaten

name: bash-scripting
description: Bash scripting guidelines covering security, portability, error handling, and automation best practices for DevOps.

Originaltext anzeigen

---
name: bash-scripting
description: Bash scripting guidelines covering security, portability, error handling, and automation best practices for DevOps.
---

# Bash Scripting

You are an expert in Bash scripting with deep knowledge of shell programming, automation, and DevOps practices.

## Core Principles

- Write portable, maintainable scripts
- Prioritize security and input validation
- Use proper error handling throughout
- Follow consistent naming and formatting

## Naming & Structure

- Use descriptive names for scripts and variables (e.g., `backup_files.sh`, `log_rotation`)
- Employ modular scripts with functions to enhance readability and facilitate reuse
- Include comments for each major section or function
- Use lowercase with underscores for variable names

## Input Validation & Security

- Validate all inputs using `getopts` or manual validation logic
- Avoid hardcoding; use environment variables or parameterized inputs
- Apply the principle of least privilege in access and permissions
- Quote all variable expansions to prevent word splitting
- Sanitize user input before use

## Code Quality

- Ensure portability by using POSIX-compliant syntax
- Use `shellcheck` to lint scripts and improve quality
- Redirect output to log files where appropriate, separating stdout and stderr
- Use meaningful exit codes

## Error Handling & Cleanup

- Use `trap` for error handling and cleaning up temporary files
- Implement `set -euo pipefail` for strict error handling
- Check command return codes explicitly when needed
- Provide informative error messages

## Best Practices

```bash
#!/usr/bin/env bash
set -euo pipefail

# Trap for cleanup
trap cleanup EXIT

cleanup() {
    # Clean up temporary files
    rm -f "${TEMP_FILE:-}"
}

# Use functions for modularity
main() {
    validate_input "$@"
    process_data
}

validate_input() {
    [[ $# -lt 1 ]] && { echo "Usage: $0 <arg>"; exit 1; }
}

main "$@"
```

## Automation Best Practices

- Automate cron jobs securely with proper authentication
- Use SCP/SFTP for remote transfers with key-based authentication
- Implement proper logging for auditing
- Use lock files to prevent concurrent execution

## Specific Use Cases

- Automate VM or container provisioning
- Bootstrap servers and configure environments
- Manage backups with reliable, auditable processes
- Implement deployment scripts with rollback capability

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Preis und Betriebskosten

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Lizenz: Apache-2.0
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Vor Installation prüfen: Automatische Installation vermeiden

Lizenz: Apache-2.0

Dependency or permission surface needs review
Permission surface may require sandboxing
Quality score needs review
Permission surface needs review: secrets or environment access, shell or command execution
Stars/forks activity: 256 stars, 38 forks; issue activity unavailable in current metadata
Dependency/runtime risk: command execution surface, credential or environment access
Permission surface: secrets or environment access, shell or command execution

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2Agent um einen Plan bitten. Einrichtung und Kosten vor einem isolierten Test genehmigen.
3Ergebnisse und geänderte Dateien prüfen. Nur tatsächliche Ausführungen melden und die Quellrevision aufbewahren.

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Quelle und Nutzungshinweise

Erfasst

Metadaten und Prüfungen dienen der Orientierung. Beliebtheit, Quellenerfassung und erfolgreiche Ausführung sind verschiedene Fakten.

Quell-Repository: Mindrally/skills
Lizenz: Apache-2.0
Version: 1.0.0
Letzter GitHub-Push: 3. Sept. 2026
Verzeichnis aktualisiert: 4. Sept. 2026
Anleitungspfad: bash-scripting/SKILL.md @ 97184105b5da

Version aus den Verzeichnismetadaten; Releases der Quelle prüfen.

Qualität

68/100

Vielversprechend

Vertrauen

65/100

Nur Sandbox

Audit

77/100

Prüfung nötig

Vollständiges Audit öffnen Eval-Bericht ansehen

Dependency or permission surface needs review
Permission surface may require sandboxing
Quality score needs review
Permission surface needs review: secrets or environment access, shell or command execution
Stars/forks activity: 256 stars, 38 forks; issue activity unavailable in current metadata
Dependency/runtime risk: command execution surface, credential or environment access
Permission surface: secrets or environment access, shell or command execution

Verified installs: —
Ergebnisse: —

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Weitere Details

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Ersteller: Mindrally
Quelle: Mindrally/skills
Indexiert von: OpenAgentSkill Community-Index

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