SAS CompareX

Key Features:

• Code Comparison Interface:
  Side-by-side comparison of original and updated SAS code with a structured differences panel

• Intelligent Difference Detection:
  Automatically classifies changes as added, removed, or modified with syntax-aware highlighting

• Code Metrics & Analysis:
  Provides insights such as lines changed, macro usage, recursion detection, and hardcoded values

• Dataset Lineage (Table View):
  Structured mapping of input/output datasets, PROC/DATA steps, macro context, and line-level traceability

• Dataset Lineage (Graph View):
  Interactive visualization of data flow with node-level insights, trace mode, and search functionality

• Session Management:
  Save and restore analysis sessions with full context including layout, scroll positions, and highlights

• Optimized Comparison Layout:
  Clean vertical split view with synchronized scrolling, inline diff highlighting, and quick navigation

• Auto Scroll & Navigation:
  Automated synchronized scrolling for efficient review of large codebases

• Smart System Features:
  File change detection, theme switching, sync scroll, and adaptive UI modes

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Highlights:

• Built to handle large-scale SAS codebases with high accuracy and performance
• Combines code comparison with data lineage — enabling deeper impact analysis
• Significantly reduces manual effort in debugging, validation, and reconciliation workflows
• Inspired by real-world enterprise use cases in data engineering and financial systems

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Tech Stack:
Python · SAS · JavaScript