Add fixed value column to CSV file

add-column.js

#!/usr/bin/env node

'use strict';

const path = require('path');

if (process.argv.length < 4) {
  console.error(`
Usage: ${path.basename(process.argv[1])} HEADER VALUE

  We read from STDIN and write to STDOUT.
`);
  process.exit(1);
}

require('csv-stream-transform')({
  transform(row, cb) {
    row[process.argv[2]] = process.argv[3];
    cb(null, row);
  }
});