Assign a keyboard shortcut to the Export Unmodified Originals menu command in Photos.app on macOS

set-photos-keyboard-shortcuts.sh

#!/bin/bash

# Assigns a keyboard shortcut to the Export Unmodified Originals
# menu command in Photos.app on macOS.

# @ = Command
# ^ = Control
# ~ = Option
# $ = Shift
shortcut='@~^e'

# Set shortcut for 1 selected item
echo "Setting shortcut for 1 item"
defaults write com.apple.Photos NSUserKeyEquivalents -dict-add "Export Unmodified Original For 1 Photo" "$shortcut"
defaults write com.apple.Photos NSUserKeyEquivalents -dict-add "Export Unmodified Original For 1 Video" "$shortcut"

# Set shortcut for 2-20 selected items
objects=(Photos Videos Items)
for i in {2..20}
do
  echo "Setting shortcut for $i items"
  for object in "${objects[@]}"
  do
    defaults write com.apple.Photos NSUserKeyEquivalents -dict-add "Export Unmodified Originals For $i $object" "$shortcut"
  done
done

# Use this command to verify the result:
# defaults read com.apple.Photos NSUserKeyEquivalents