irule-diff

Compare two iRule Tcl script versions for semantic differences and impacts.

59|6|Updated Mar 13, 2026

Search Tags:#performance #security #comparison #diff #irule #tcl

Ready to run

npx skills add https://github.com/bitwisecook/tcl-lsp --skill irule-diff

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: irule-diff
Source: https://github.com/bitwisecook/tcl-lsp/tree/main/ai/claude/skills/irule-diff
Command: npx skills add https://github.com/bitwisecook/tcl-lsp --skill irule-diff

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps Tcl developers and network engineers understand the precise changes between two versions of an iRule, highlighting potential impacts on functionality, security, and performance.

Core Features & Use Cases

Semantic Difference Analysis: Goes beyond simple line-by-line comparison to explain functional changes.
Impact Assessment: Identifies security implications, performance changes, and potential breaking changes.
Use Case: You've updated a critical iRule for your F5 BIG-IP load balancer. Use this Skill to compare the old and new versions to ensure the changes are safe and achieve the intended outcome without introducing regressions.

Quick Start

Use the irule-diff skill to compare the files /path/to/old_irule.tcl and /path/to/new_irule.tcl.

Frequently Asked Questions about irule-diff

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I compare two iRule Tcl script versions to find semantic differences?▼

To compare iRule Tcl script versions, provide the old and new Tcl files to analyze semantic differences, security implications, performance changes, and breaking changes. It uses context analysis scripts to highlight operational impacts for network engineers.

What is the best way to check F5 BIG-IP iRule updates for breaking changes?▼

Checking F5 BIG-IP iRule updates for breaking changes requires comparing the old and new Tcl script versions. The analysis identifies potential breaking changes and assesses operational impacts to ensure updates are safe and achieve intended outcomes without regressions.

Can I analyze security and performance implications when comparing iRules?▼

Yes, you can analyze security and performance implications when comparing iRules. The comparison process evaluates functional changes between two Tcl script versions to identify security vulnerabilities, performance shifts, and semantic differences beyond simple line-by-line text comparison.

How do I perform an iRule diff using Python and Bash scripts?▼

Performing an iRule diff involves providing two Tcl files to the skill, which requires Python scripts for context analysis and Bash for file operations. It processes the provided Tcl files to explain functional changes and operational impacts for developers.

Does iRule comparison work with any Tcl script or only F5 BIG-IP iRules?▼

iRule comparison is specifically designed for Tcl scripts used on F5 BIG-IP load balancers. It analyzes provided Tcl files to identify semantic differences, security implications, and performance changes tailored for network engineers and developers managing those environments.

What are the limitations of semantic iRule diff compared to standard line-by-line comparison?▼

Semantic iRule diff goes beyond standard line-by-line comparison by explaining functional changes and operational impacts, but it requires Python scripts and Bash for context analysis. It focuses on security, performance, and breaking changes rather than basic text formatting differences.