Bash script to iterate through all Wordpress sites on RunCloud and update the core, plugins and themes

update_all_wp_sites.sh

#!/bin/bash

# Change directory to /home
cd /home

# Iterate through all users directories
for user in * ; do	
  
  # For every webapp under the user directory
  # Count wp-config files to make sure its Wordpess
  # If its Wordpress, then run the WP CLI Script, which calls wp-cron.php
  
	for d in $user/webapps/* ; do
		count_file=`ls -1 $d/wp-config.php 2>/dev/null | wc -l`
		if [ "$count_file" != "0" ]
		then
			sudo -u $user -i -- wp core update --path=/home/$d
			sudo -u $user -i -- wp plugin update --all --path=/home/$d
			sudo -u $user -i -- wp language core update --path=/home/$d
			sudo -u $user -i -- wp theme update --all --path=/home/$d
			sudo -u $user -i -- wp redis update-dropin --path=/home/$d
			sudo -u $user -i -- wp cli cache clear --path=/home/$d
		fi 
	done
done

For testing, change:
for user in * ; do
to a single user directory you dont mind testing on:
for user in mytestsite ; do