Relaunch rails via Applescript.

gistfile1.txt

tell application "iTerm2"
  tell first session of first tab of first window 
    write text "Relaunching Rails application..."
    write text "echo Kill process on 3000 port!"
  end tell
  tell current window
    create tab with default profile
    tell current session
      write text "kill -9 $(lsof -i tcp:3000 -t)"
    end tell
    delay 1
    close current tab
  end tell
  tell first session of first tab of first window 
    write text "RAILS_ENV=development rails s"
  end tell
end tell