class Session::Sh

def execute(command, redirects = {}, &block)
# setup redirect on stdin
  rin = redirects[:i] || redirects[:in] || redirects[:stdin] || 
         redirects['stdin'] || redirects['i'] || redirects['in'] ||
         redirects[0] || redirects['0']
  if rin
    tmp = 
      begin
        Tempfile::new rand.to_s
      rescue
        Tempfile::new rand.to_s
      end
    begin
      tmp.write(
        if rin.respond_to? 'read'
          rin.read
        elsif rin.respond_to? 'to_s'
          rin.to_s
        else
          rin
        end
      )
      tmp.flush
      command = "{ #{ command } ;} < #{ tmp.path }"
      #puts command
      super(command, redirects, &block)
    ensure
      tmp.close! if tmp 
    end
  else
    super
  end
end