csv-to-json

#!/usr/bin/env node

var csv = require('fast-csv'),
    stats = {
      header: 1,
      rows: 0
    };

csv
 .fromStream(process.stdin, {headers: true})
  .on("data", function(data){
    stats.rows++;
    if (stats.rows === 1) {
      // skip header row, assumes csv header.
      console.log('[', JSON.stringify(data));
    } else {
      console.log(',', JSON.stringify(data));
    }
  })
  .on("end", function(){
    console.log(']');
    console.warn(stats);
  });