# Roo::Xls

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This library extends Roo to add support for handling class Excel files, including:

* .xls files
* .xml files in the SpreadsheetML format (circa 2003)

There is no support for formulas in Roo for .xls files - you can get the result
of a formula but not the formula itself.

## License

While Roo and Roo::Xls are licensed under the MIT / Expat license, please note that the `spreadsheet` gem [is released under](https://github.com/zdavatz/spreadsheet/blob/master/LICENSE.txt) the GPLv3 license. Please be aware that the author of the `spreadsheet` gem [claims you need a commercial license](http://spreadsheet.ch/2014/10/24/using-ruby-spreadsheet-on-heroku-with-dynos/) to use it as part of a public-facing, closed-source service, an interpretation [at odds with the FSF's intent and interpretation of the license](http://www.gnu.org/licenses/gpl-faq.html#UnreleasedMods). 

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'roo-xls'
```

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install roo-xls

## Usage

TODO: Write usage instructions here

## Contributing

1. Fork it ( https://github.com/roo-rb/roo-xls/fork )
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create a new Pull Request