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xan

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High-performance CSV processing with xan CLI for large tabular datasets, streaming transformations, and low-memory pipelines.

bundled/skills/xan/SKILL.md

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# xan

Use this skill when tabular work involves large CSV-like files and shell-oriented data pipelines.

## When to Use

- CSV/TSV files are large (size or rows) and Python/pandas style processing is too heavy.
- You need fast CLI operations such as `filter`, `sort`, `dedup`, `groupby`, `frequency`, `join`.
- You want low-memory streaming workflows in terminal pipelines.

## Boundaries

- Not for workbook semantics (`.xlsx` formula/layout preservation) — use `xlsx` or `excel-analysis`.
- Not for ML model training pipelines — use `data-ml` skills.
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