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Readme.markdown

Unmarkdown

Convert HTML to Markdown with Ruby.

There are several libraries that solve this, but Unmarkdown is simple. It's only 150 lines and handles everything I threw at it with no problem. The other libraries I tried either didn't do recursion correctly or were missing some Markdown extensions I needed. Both were hard to change, so I just whipped this up in a few hours.

Enjoy!

Installation

Add this line to your application's Gemfile:

gem 'unmarkdown'

And then execute:

$ bundle

Or install it yourself as:

$ gem install unmarkdown

Usage

markdown = Unmarkdown.parse('Some <strong>HTML</strong>')
#=> Some **HTML**

markdown = Unmarkdown.parse('My website is http://soff.es', autolink: true)
#=> My website is <a href="http://soff.es">http://soff.es</a>

Support

Supported tags

  • h1-h6
  • blockquote
  • ul, ol, li
  • pre
  • hr
  • a
  • em, i
  • strong, b
  • u
  • mark
  • code
  • img

For tags that aren't supported, their content will be added to the output. Basically it treats everything like a <p>.

Options

All of the options default to false. If you'd like to turn additional things on, pass a hash with symbols as the second argument to Unmarkdown.parse (see example above).

  • fenced_code_blocks — Uses three backticks before and after instead of four spaces before each line
  • allow_scripts — By default, script tags are removed. If you set this option to true their original HTML will be included in the output
  • underline_headers — By default hashes are added before headers. If you turn this option on, it will use equal signs for h1's or hypens for h2's and the rest will remain hashes.

Contributing

  1. Fork it ( http://github.com/soffes/unmarkdown/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 new Pull Request