paru-automatic-links-to-wikipedia.rb

#!/usr/bin/env ruby
# Copyright 2017 Huub de Beer <Huub@heerdebeer.org>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program.  If not, see <http://www.gnu.org/licenses/>.

# Replace all links like [link](wiki::Link) by
# [link](https://en.wikipedia.org/wiki/Link)

require "paru/filter"

WIKI = "wiki::"
WIKIPEDIA_URL = "https://en.wikipedia.org/wiki/"

Paru::Filter.run do 
    with "Link" do |link|
        if link.target.url.start_with? WIKI
            link.target.url = link.target.url.sub WIKI, WIKIPEDIA_URL
        end
    end
end