gistfile1.txt

require 'rubygems'
require 'sinatra'
require 'RMagick'

ROOT_PATH = File.expand_path(File.dirname(__FILE__))

get '/*' do
        resize_image(params[:splat].first)
        redirect("/#{params[:splat].first}")
end

def resize_image(request_uri, filename = nil)
        path = File.dirname("#{ROOT_PATH}/public/#{request_uri}")
        file = /(\w+)\.(jpg|jpeg|png|gif)$/.match(request_uri)

        Magick::ImageList::new(path + '/original.jpg').change_geometry("#{file[1]}>") do |cols, rows, img|
                img.resize!(cols, rows)
                img.write("#{path}/#{file[1]}.#{file[2]}")
        end
end