convert md from showoff to reveal

convert_showoff.rb

#!/usr/bin/env ruby
# encoding: utf-8


class Proc
  def self.compose(f, g)
    lambda { |*args| f[g[*args]] }
  end
  def *(g)
    Proc.compose(self, g)
  end
end


reveal_slide_separator = '--'

convert_fn =->(l) { l =~ /^!SLIDE/ ? reveal_slide_separator : l } *
						->(l) { l =~ /^.notes/ ? '' : l } *
						->(l) { l.sub(/@@@ .*/, "" ) } *
						->(l) { l.sub(/^# /, '## ') } *
						->(l) { l.sub(/^- /, '') }


input = ARGV[0]

exit(1) unless input

converted = File.readlines(input).map(&convert_fn)

puts converted