Gist.rb

# java -jar ~/Library/jEdit/jars/ruby.jar -S gem install -i ~/.gem/jruby/1.8 gist
require 'rubygems'
require 'gist'
def gistBufferOrSelection(view)
  textarea, buffer = view.getTextArea, view.getBuffer
  if textarea.getSelectionCount > 0
    text = textarea.getSelectedText
  else
    text = textarea.getText
  end
  path = buffer.getPath
  gist_file = 
  {:extension => File.extname(path), :filename => File.basename(path), :input => text}
  begin
    url = Gist.write([gist_file])
    puts url
    `open #{url}`
  rescue Exception => e
    puts e.message
  end
end

gistBufferOrSelection($view)