Lokissimo

-- This code comes from https://gist.github.com/oliveratgithub/
-- Open in AppleScript Editor and save as Application
-- ------------------------------------------------------------
--this is required to break the filename into pieces (separate name and extension)
set text item delimiters to "."
tell application "Finder"
	set all_files to every item of (choose file with prompt "Choose the Files you'd like to rename:" with multiple selections allowed) as list
	display dialog "New file name:" default answer ""
	set new_name to text returned of result
	--now we start looping through all selected files. 'index' is our counter that we initially set to 1 and then count up with every file.