csv-columns

Blazing fast and Comprehensive CSV Parser for Node.JS / Browser / Command Line.

CLI and programatic API to send emails using MJML (that is then parsed by Handlebars.js), populating your email passing the CSV columns to your template

Replace codes line by line with regex for target files

CSV (Comma-Seprated-Values) can be used instead of .txt files using Swift, CSV files have speciality that they can be seen as Excel Sheet format.