csfrancis

# Updated for Ruby 2.3
string_t = None

def get_rstring(addr):
  s = addr.cast(string_t.pointer())
  if s['basic']['flags'] & (1 << 13):
    return s['as']['heap']['ptr'].string()
  else:
    return s['as']['ary'].string()

kematzy

class MyApp < Sinatra::Base
  
  # ....
  
  # does nothing other than load the <input type="file"> form...
  get '/upload' do
    erb(:upload)
  end
  

vangberg

require 'rubygems'
require 'sinatra'

get '/' do
  @files = Dir['public/*'].map {|f| File.basename(f) }
  erb :index
end

post '/upload' do
  filename = params[:file][:filename]