Currently (April 2015) does Photos not yet support batch changing of titles and descriptions.
I wrote two very simply Apple Scripts, that can be used to add a title and a description to several selected photos and run from an automator work flow:
This script will prompt for a new title to be applied to all photos and then change the title to the string, with an added number.
For example, if you enter "Birthday", the titles will change to "Birthday_0001", "Birthday_0002", etc. The number of digits is a parameter in the script.
A copy of this service is in my Dropbox: https://www.dropbox.com/sh/29exskbyuuffk5h/AAA-CDQ1fonab-TxSjvQBG-Ca?dl=0
on run {input, parameters}
-- batch change the title to the input
set n_digits to 4 -- how many digits for the appended number
tell application "Photos"
activate
set counter to 1
set imageSel to (get selection) -- get selected images
if imageSel is {} then
error "Please select some images."
else
repeat with im in imageSel
set ntext to the counter as text
repeat while (the length of ntext < n_digits) -- add leading zeros
set ntext to "0" & ntext
end repeat
tell im
set the name to input & "-" & ntext as text
-- set the title to the input plus number
set counter to counter + 1
end tell
end repeat
end if
end tell
return input
end run
Launch Automator,
- create a new service,
- drag a "Ask for Text" action into the workflow.
- drag a "Run Apple Script" action into the workflow.
Copy and paste the text above into the "Run Apple Script" action to replace the default text in the action.
Save this workflow with a suitable name. It will be installed in the services.
- Now quit Photos, if it is running and launch Photos again and select a few test images.
- Open the "Photos" Menu > Services".
- The service should be shown in the menu - I saved my version as "BatchChangeTitles".
- Select the service to let it run.
- You will be prompted to enter a new title for the selected photos.
- When you click the selected photos again, the titles should change.
Or simply run the service from the Automator window by pressing the "Run" button after selecting the images.
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