Basic "Filter Through Command" TM2 command.

Filter Through Command.rb

#!/usr/bin/env ruby -wKU

require "tempfile"
require "#{ENV['TM_SUPPORT_PATH']}/lib/textmate"
require "#{ENV['TM_SUPPORT_PATH']}/lib/ui.rb"

command = TextMate::UI.request_string(:title => 'Filter Through Command', :prompt => 'Command:', :button1 => 'Execute', :button2 => 'Cancel').to_s

tempfile = Tempfile.new("tm-filter-command")
tempfile.write(STDIN.read)
tempfile.flush

print %x{ cat #{tempfile.path} | #{command} }