指定したWebページをMarkdownへ変換するRubyスクリプト

require 'reverse_markdown'
require 'open-uri'
 
ReverseMarkdown.config do |config|
  config.unknown_tags     = :bypass
  config.github_flavored  = true
  config.tag_border  = ''
end
 
def usage
  puts "usage: #{$0} uri"
  exit 1
end
usage if ARGV.size != 1
 
html = OpenURI.open_uri(ARGV.shift).read
print ReverseMarkdown.convert html