linkers-posts.rb

#!/usr/bin/env ruby
#
# Use the list from http://a3f.at/lists/linkers to build a single HTML file
# with all posts about linkers in https://www.airs.com/blog/.

require "net/http"
require "nokogiri"

# Index based on http://a3f.at/lists/linkers
INDEX = [
  [ 38, "Intro" ],
  [ 39, "Intro II" ],
  [ 40, "Intro III" ],
  [ 41, "Shared libraries" ],
  [ 42, "Shared libraries Redux" ],
  [ 43, "Relocations" ],
  [ 44, "Thread-Local storage" ],
  [ 45, "ELF Format" ],
  [ 46, "Symbol versions" ],
  [ 47, "Parallel linking" ],
  [ 48, "Archives" ],
  [ 49, "Symbol resolution" ],
  [ 50, "Symbol versions Redux" ],
  [ 51, "Link Time Optimization" ],
  [ 52, "COMDAT sections" ],
  [ 53, "C++ Template instantiation" ],
  [ 54, "Warning symbols" ],
  [ 55, "Incremental linking" ],
  [ 56, "Misc" ],
  [ 57, "Gold" ]
]


puts <<EOH
<DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Linkers, by Lance Taylor</title>

<style>
code { color: darkred; }
.postmeta { color: gray; }
</style>

EOH

jobs = INDEX.map do |id, title|
  queue = Queue.new
  Thread.new do
    title = %[<h1>#{title}</h1>]

    url = "https://www.airs.com/blog/archives/#{id}"
    post_html = Net::HTTP.get(URI(url))
    post = Nokogiri::HTML.parse(post_html).at(".post")

    queue.push("#{title}#{post}")
  end

  queue
end

jobs.each do |job|
  print job.pop
end