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It's for Ractor. If you want to use the built-in converters, you
should call Ractor.make_shareable(CSV::Converters) and/or
Ractor.make_shareable(CSV::HeaderConverters).
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CSV

This library provides a complete interface to CSV files and data. It offers tools to enable you to read and write to and from Strings or IO objects, as needed.

Installation

Add this line to your application's Gemfile:

gem 'csv'

And then execute:

$ bundle

Or install it yourself as:

$ gem install csv

Usage

require "csv"

CSV.foreach("path/to/file.csv") do |row|
  # use row here...
end

Documentation

  • API: all classes, methods, and constants.
  • Recipes: specific code for specific tasks.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/csv.

NOTE: About RuboCop

We don't use RuboCop because we can manage our coding style by ourselves. We want to accept small fluctuations in our coding style because we use Ruby. Please do not submit issues and PRs that aim to introduce RuboCop in this repository.

License

The gem is available as open source under the terms of the 2-Clause BSD License.

See LICENSE.txt for details.