Custom Kodi External Players MacOS

playercorefactory.sh

echo -e '<playercorefactory>
	<players>
	<player name="iina" type="ExternalPlayer" audio="false" video="true">
	<filename>/Applications/IINA.app/Contents/MacOS/IINA</filename>
	</player>
		<player name="VLC" type="ExternalPlayer" audio="false" video="true">
			<filename>/Applications/VLC.app/Contents/MacOS/VLC</filename>
			<args>--video-on-top --play-and-exit</args>
			<hidexbmc>true</hidexbmc>
		</player>
    </players>
	<rules action="prepend">
		<rule video="true" player="iina"/> 
    </rules>
</playercorefactory>
' > ~/Library/Application\ Support/Kodi/userdata/playercorefactory.xml

One liner