open_raw_gist.rb

#!/usr/bin/env ruby -w

require 'hpricot'
require 'net/http'
require 'net/https'
require 'uri'
require 'tempfile'

test_http  = "http://gist.github.com/69452"
test_https = "https://gist.github.com/42af948558a3b3704bab"
uri  = URI(ARGV[0])
http = Net::HTTP.new(uri.host, uri.port)
if uri.scheme == 'https'
  http.use_ssl     = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
end

result   = http.start {|h| h.request(Net::HTTP::Get.new(uri.path))}
doc      = Hpricot(result.body)
raw_path = doc.at("a[@href*=raw]")['href']
raw_file = http.start {|h| h.request(Net::HTTP::Get.new(raw_path))}

tempfile = Tempfile.new('gist')
tempfile.puts(raw_file.body)
tempfile.close

if system('which qlmanage')
  system("qlmanage -c public.plain-text -p #{tempfile.path} >& /dev/null")
end