on run {input, parameters}
	
	set theFolder to item 1 of input as string
	set directory to POSIX path of theFolder
	
	tell application "Terminal"
		do script "cd \"" & directory & "\" ; " & "exiftool -b -preview:all -w .jpg -ext dng . -execute -overwrite_original_in_place -tagsfromfile %d%f.DNG -orientation -ext jpg ." & " ; " & "logout"
	end tell
	
	-- allow sufficient time for exiftool execution to complete
	repeat
		set earlierCheck to (info for directory with size)
		delay 1
		set laterCheck to (info for directory with size)
		if earlierCheck = laterCheck then exit repeat
	end repeat
	
	return input
	
end run