Recipe 10: CLI automation and batch processing

Current version: 3.1.0

Goal

Automate CSV/JSON conversion in scripts and CI.

Batch conversion

# Convert all CSV files to JSON in a folder
npx jtcsv batch csv-to-json "data/*.csv" output/

# Convert all JSON files to CSV
npx jtcsv batch json-to-csv "data/*.json" output/

Streaming CLI

# Stream JSON to CSV
npx jtcsv stream json-to-csv input.json output.csv

# Stream CSV to JSON
npx jtcsv stream csv-to-json input.csv output.json

Scripted usage (Node.js)

const { execSync } = require('child_process');

execSync('npx jtcsv csv-to-json data.csv output.json --parse-numbers', {
  stdio: 'inherit'
});

Optional TUI

npx jtcsv tui

Notes

• Use --dry-run to validate commands without writing files.
• See docs/CLI.md for full options.

Navigation

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