Rails csv

I would like to import data from a CSV file into an existing database table. I do not want to save the CSV file, just take the data from it and put it into the existing table. How do I create a new CSV file in Ruby?

How to download a CSV file in Ruby on Rails? A Guide to the Ruby CSV Library, Part I. Several weeks ago I needed to do something in Ruby that involved processing a large number of CSV files. I was happy to learn there was a good. Let’s explore how to get sample data from an Excel CSV to render as a table on a skeleton rails application.

We’ll use activity tracker data to build a steps leaderboard for a fitness challenge. A CSV file is formatted with commas that act as the delimiters separating each data element. It is commonly used to store databases. FasterCSV actually became the standard CSV library in Ruby 1. Learn how to export records into CSV files using Ruby on Rails.

Steps: Add a controller and make sure you handle the csv request.