make it into a cmdline program

microsoft_kb/microsoft_cve_audit.rb

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+require './microsoft_kb_checker.rb'
+require 'optparse'
+
+ARGV << '-h' if ARGV.empty?
+
+params = {}
+
+OptionParser.new do |opts|
+  opts.banner = "Usage: microsoft_cve_audit.rb [OPTIONS]"
+
+  opts.on('-c NAME', '--cve', "The cve id to check.") { |c| params[:cve_id] = c }
+  opts.on('-o NAME', '--os', "The operating system to check.") {|o| params[:os_name] = o }
+
+  opts.on_tail("-h", "--help", "Show this message") do
+    puts opts
+    exit
+  end
+end.parse!(into: params)
+
+raise OptionParser::MissingArgument if params[:cve_id].nil?
+raise OptionParser::MissingArgument if params[:os_name].nil?
+
+puts MicrosoftKbChecker.new(params).query_cve

microsoft_kb/microsoft_kb_checker.rb

@@ -108,8 +108,6 @@ class MicrosoftKbChecker
     AVAILABLE_OS.include?(options[:os_name])
   end
 
-
-
   def select_os(json)
     json.dig('affectedProducts').select do |os|
       os.values_at('name', 'platform').include? options[:os_name]