Added write_uuid_to_file.applescript to utils

utils/write_uuid_to_file.applescript

@@ -0,0 +1,43 @@
+-- Writes the UUIDs of selected images in Photos to a text file
+-- Useful with the --uuid-from-file option of osxphotos
+
+tell application "Photos"
+	activate
+	
+	set theResults to selection
+	set theVersion to version of application "Photos"
+	set theBackup to AppleScript's text item delimiters
+	
+	-- In Photos 5, uuid is in form DB7DED61-C0CC-4FC7-952C-CEA9E01AB106/L0/001 
+	-- but we need only the part before the "/"
+	if theVersion ³ 5 then
+		-- Set the new delimiter
+		set AppleScript's text item delimiters to "/"
+	end if
+	
+	set outputFile to (choose file name with prompt "Save As File" default name "uuid.txt" default location path to desktop) as text
+	if outputFile does not end with ".txt" then set outputFile to outputFile & ".txt"
+	
+	set theOutput to open for access file outputFile with write permission
+	set eof of theOutput to 0
+	set theCount to 0
+	
+	repeat with theItem in theResults
+		
+		set theID to ((id of theItem) as text)
+		if theVersion ³ 5 then
+			set theID to text item 1 of theID
+		end if
+		write theID & "
+" to theOutput
+		set theCount to theCount + 1
+		
+	end repeat
+	
+	close access theOutput
+	set AppleScript's text item delimiters to theBackup
+	display dialog "Done. Wrote " & theCount & " UUIDs to file " & outputFile
+	
+end tell
+
+