Awesome
Summary
Transform html into markdown. Useful for example if you want to import html into your markdown based application.
Changelog
See Change Log
Requirements
- Nokogiri
- Ruby 2.7.0 or higher
Installation
Install the gem
[sudo] gem install reverse_markdown
or add it to your Gemfile
gem 'reverse_markdown'
Features
- Supports all the established html tags like
h1
,h2
,h3
,h4
,h5
,h6
,p
,em
,strong
,i
,b
,blockquote
,code
,img
,a
,hr
,li
,ol
,ul
,table
,tr
,th
,td
,br
,figure
- Module based - if you miss a tag, just add it
- Can deal with nested lists
- Inline and block code is supported
- Supports blockquote
Usage
Ruby
You can convert html content as string or Nokogiri document:
input = '<strong>feelings</strong>'
result = ReverseMarkdown.convert input
result.inspect # " **feelings** "
Commandline
It's also possible to convert html files to markdown using the binary:
$ reverse_markdown file.html > file.md
$ cat file.html | reverse_markdown > file.md
Configuration
The following options are available:
unknown_tags
(defaultpass_through
) - how to handle unknown tags. Valid options are:pass_through
- Include the unknown tag completely into the resultdrop
- Drop the unknown tag and its contentbypass
- Ignore the unknown tag but try to convert its contentraise
- Raise an error to let you know
github_flavored
(defaultfalse
) - use github flavored markdown (yet only code blocks are supported)tag_border
(default' '
) - how to handle tag borders. valid options are:' '
- Add whitespace if there is none at tag borders.''
- Do not not add whitespace.
As options
Just pass your chosen configuration options in after the input. The given options will last for this operation only.
ReverseMarkdown.convert(input, unknown_tags: :raise, github_flavored: true)
Preconfigure
Or configure it block style on a initializer level. These configurations will last for all conversions until they are set to something different.
ReverseMarkdown.config do |config|
config.unknown_tags = :bypass
config.github_flavored = true
config.tag_border = ''
end
Related stuff
- Write custom converters - Wiki entry about how to write your own converter
- html_massage - A gem by Harlan T. Wood to convert regular sites into markdown using reverse_markdown
- word-to-markdown - Convert word docs into markdown while using reverse_markdown, by Ben Balter
- markdown syntax - The markdown syntax specification
- github flavored markdown - Githubs extension to markdown
- wmd-editor - Markdown flavored text editor
Thanks
Thanks to all contributors and all other helpers:
- Empact Ben Woosley
- harlantwood Harlan T. Wood
- aprescott Adam Prescott
- danschultzer Dan Schultzer
- Benjamin-Dobell Benjamin Dobell
- schkovich Goran Miskovic
- craig-day Craig Day
- grmartin Glenn R. Martin
- willglynn Will Glynn