The guts of PinboardDigest, an OSX System Service to produce link roundup text based on Pinboard bookmarks as painlessly as possible.

pinboard_digest.rb

#!/usr/bin/ruby

require 'net/https'
require 'cgi'
require 'rubygems'
require 'json'

AUTH_TOKEN = "YOUR_AUTH_CODE_GOES_HERE"
NUMBER_OF_RESULTS = 10

input = STDIN.read

starter = "https://api.pinboard.in/v1/posts/all?auth_token=#{AUTH_TOKEN}&results=#{NUMBER_OF_RESULTS}&format=json"

url = URI.parse(input != "" ? starter + "&tag=#{CGI.escape(input)}" : starter)

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE # You should use VERIFY_PEER in production
request = Net::HTTP::Get.new(url.request_uri)
res = http.request(request)  
result = JSON.parse(res.body)

text << "# Links for #{Time.now.strftime("%B %e ")}\n\n"

result.each do |link|
  text << "* **[#{link["description"]}](#{link["href"]}):** #{link["extended"]}\n\n"
end

print text