gistfile1.txt

# upload.rb
require 'rubygems'
require 'sinatra'
require 'FileUtils'

get '*' do
  "Nothing to see here"
end

post '*' do
  @docroot = "/tmp"
  file = @docroot + params[:splat].first 
  
  FileUtils.mkdir_p File.dirname(file)
  
  source = File.open(params[:data][:tempfile].path, 'r')
  target = File.open(file, 'w')
  
  target.write(source.read)
  
  target.close if target
  source.close if source
end