High-performance CSV processing with xan CLI for large tabular datasets, streaming transformations, and low-memory pipelines.
Use this skill when tabular work involves large CSV-like files and shell-oriented data pipelines.
filter, sort, dedup, groupby, frequency, join..xlsx formula/layout preservation) — use xlsx or excel-analysis.data-ml skills.scripts/xan.ps1powershell -ExecutionPolicy Bypass -File "$env:USERPROFILE\.codex\skills\xan\scripts\xan.ps1" count data.csv
powershell -ExecutionPolicy Bypass -File "$env:USERPROFILE\.codex\skills\xan\scripts\xan.ps1" filter "score > 0.8" data.csv
powershell -ExecutionPolicy Bypass -File "$env:USERPROFILE\.codex\skills\xan\scripts\xan.ps1" groupby category "sum(amount) as total" sales.csv