parseLizzieContacts.js

const fs = require('fs');

const file = fs.readFileSync('contacts.rtf', 'utf8');

const matches = file.match(/\n[a-z ]+.* 0 Y(?:\n.+)+/gi);

const contacts = matches.map(match => {
  const lines = match.split("\n");
  const contact = Object.create({});

  contact.account = lines[1].slice(0, 7);
  contact.store = lines[1].slice(8, 11);
  contact.t = lines[1].slice(13, 14);
  contact.name = lines[1].slice(15, 38);
  contact.street2 = lines[1].slice(39, 62);
  contact.phone = lines[1].slice(62, 74);
  contact.sm = lines[1].slice(90,92);
  contact.c = lines[1].slice(93, 94);
  contact.tc = lines[1].slice(96, 98);
  contact.enterd = lines[1].slice(99, 105);
  contact.LShip = lines[1].slice(106, 112);
  contact.YTDShip = lines[1].slice(114, 124);

  contact.street = lines[2].slice(15, 39);
  contact.GLN = lines[2].slice(39, 62);
  contact.city = lines[3].slice(15, 36);
  contact.state = lines[3].slice(36, 38);
  contact.zip = lines[3].slice(39, 46);
  contact.fax = '';
  contact.contact = '';
  contact.misc = '';
  if (lines.length > 4) {
    contact.fax = lines[4].slice(39, 59);
    contact.contact = lines[4].slice(59, 88);
    contact.misc = lines[4].slice(88, 117);
  }
  for (let key in contact) {
    contact[key] = contact[key].trim();
  }
  return contact;
});


const header = Object.keys(contacts[0]).reduce((obj, key) => {
  obj[key] = key;
  return obj
}, {});

const withHeader = [header].concat(contacts);

const CSVLines = withHeader.map(contact => {
  //const escapes = [',', '\r', '\n' '"'];
  const fields = Object.keys(contact).map(key => {
    const raw = contact[key];
    const quoteEsc = raw.replace('"', '""');
    const fullEsc  = quoteEsc.match(/(,|\r|\n|")/) ? '"' + quoteEsc + '"' : quoteEsc
    return fullEsc;
  });
  const line = fields.join(',');
  return line;
});

const CSV = CSVLines.join("\r\n");
console.log(CSV);