⚠️ 60-anti-patterns Index

🚫 Anti-Patterns Section

Common mistakes and pitfalls to avoid in shell scripting.

📖 Contents

• Anti-Patterns: Abusing Pipelines
• Anti-Patterns: Echo for Structured Data
• Anti-Patterns: Implicit PATH and ENV
• Anti-Patterns: Interactive in Automation
• Anti-Patterns: Non-Portable Bashisms
• Anti-Patterns: Shell as Supervisor
• Anti-Patterns: Silent Failures

🎯 Learning Objectives

✅ Recognize and avoid common shell scripting pitfalls ✅ Understand why certain approaches lead to problems ✅ Develop defensive programming habits ✅ Learn from others' mistakes to write better code

🔍 Quick Reference

Anti-Pattern	Problems Caused	Better Alternative
Pipeline Abuse	Unreadable, fragile code	Modular functions
Echo Data	Security risks, parsing issues	Proper serializers
Implicit Dependencies	Portability issues	Explicit validation
Interactive Automation	Non-repeatable processes	Configuration-driven
Bashisms	Platform lock-in	POSIX compliance
Shell Supervision	Poor process management	Dedicated supervisors
Silent Failures	Hidden problems	Explicit error handling

🚀 Learning Approach

1. Study Each Anti-Pattern - Understand the problem
2. Recognize in Code - Spot these patterns in existing scripts
3. Refactor Away - Apply better alternatives
4. Prevent Recurrence - Build habits to avoid these mistakes