httpdir: run a webrick webserver from any directory to serve anything.

httpdir.rb

#!/usr/bin/env ruby
require 'webrick'
require 'optparse'
include WEBrick

options = {
  port: (12000 + (Dir::pwd.hash % 1000)),
  dir: Dir::pwd
}

OptionParser.new do |opts|
  opts.banner = "Usage: httpdir [options]"

  opts.on("-p", "--port PORT", "Force server port [auto]") do |port|
    options[:port] = port
  end

  opts.on("-d", "--directory DIR", "Directory (default: Dir::pwd)") do |dir|
    options[:dir] = dir
  end
end.parse!

puts "URL: http://#{Socket.gethostname}:#{options[:port]}"

begin
  server = HTTPServer.new(
    :Port => options[:port],
    :DocumentRoot => options[:dir]
  )

  trap("INT"){ server.shutdown }
  server.start
rescue Exception => e
  puts "Unable to start server"
end