Script to open a file in vim. Can be used with mac's Automator to create an application and set as the default app of some file extension.

OpenInVim.applescript

on run {input, parameters}
	set myPath to POSIX path of input
	set cmd to "vim " & quote & myPath & quote
	tell application "iTerm2"
		tell current window
		    create tab with default profile
			tell current session
				write text cmd				
			end tell
		end tell
	end tell
end run