difftastic

name	difftastic
description	Use this skill when the user wants to compare files or directories with a syntax-aware diff tool.

difftastic Plugin

Structural diff tool that understands syntax across 30+ languages.

Commands

Files

• difftastic files diff — Compare two files with structural diff

Directories

• difftastic dirs diff — Compare two directories recursively

Usage Examples

• "Compare two files with syntax-aware diff"
• "Show differences between directories"
• "Diff two source code files"

Installation

cargo install difftastic

Examples

# Compare two files
difft old.rs new.rs

# Side-by-side display
difft --display side-by-side old.py new.py

# Compare directories
difft dir1/ dir2/

# Show in inline format
difft --display inline file1.js file2.js

# Ignore whitespace changes
difft --ignore-comments old.java new.java

Key Features

• Syntax-aware diff for 30+ languages
• AST-based comparison (not just text)
• Side-by-side and inline display modes
• Better diffs for code refactors
• Works with git for improved diffs