Uses the macupdater_client (https://www.corecode.io/macupdater/enterprise.html) and jq to update macOS app from the command line

update-via-macupdater.sh

#!/usr/bin/env bash

pc=$(hostname)
echo "macupdater 2 pro command line via $pc on $(date +"%Y-%m-%d %T")"
echo '--------------------------------------------------------------'
echo ''
echo ''

echo 'checking for prerequisites...'
echo '[] jq'
echo '[] /Applications/MacUpdater.app/Contents/Resources/macupdater_client'

if ! command -v jq &>/dev/null; then
    echo 'jq could not be found'
    echo 'please install jq from https://stedolan.github.io/jq/'
    exit 1
fi

macupdater_file=/Applications/MacUpdater.app/Contents/Resources/macupdater_client
if [ ! -f "$macupdater_file" ]; then
    echo "$macupdater_file does not exist..please install macupdater_client via macupdater 2 website"
    echo 'you can also alias macupdater_client to [/Applications/MacUpdater.app/Contents/Resources/macupdater_client]'
    echo 'https://www.corecode.io/macupdater/enterprise.html'
    exit 1
fi

echo ''
echo ''

echo 'prerequisites complete:'
echo '[x] jq'
echo '[x] /Applications/MacUpdater.app/Contents/Resources/macupdater_client'
echo ''

echo 'now running macupdater_client to update all outdated apps that can be updated...'
outdated=$(/Applications/MacUpdater.app/Contents/Resources/macupdater_client list --hide-uptodate-apps --hide-mas-apps --hide-unsupported-apps --quiet --json | jq -r '.apps[] .installed_path')
if [ -z "$outdated" ]; then
    echo 'no apps to update...'
    echo 'done!'
else
    echo "found apps to update..."
    echo ''
    while IFS= read -r app; do
        echo "> updating $app"
        echo "  /Applications/MacUpdater.app/Contents/Resources/macupdater_client update --quiet $app"
        /Applications/MacUpdater.app/Contents/Resources/macupdater_client update --quiet "$app"
    done <<<"$outdated"
    echo ''
    echo 'done!'
fi

Response back from Vitor from macupdater that does not need jq to be installed.

#!/bin/bash

# Get outdated paths as array
IFS=$'\n' read -d '' -ra outdated_apps < <(/usr/bin/osascript -l JavaScript -e 'function run(argv) { return JSON.parse(argv[0])["apps"].map(a => a["installed_path"]).join("\n") }' "$(/Applications/MacUpdater.app/Contents/Resources/macupdater_client list --hide-uptodate-apps --json)")

# Update apps
for app_path in "${outdated_apps[@]}"; do
 /Applications/MacUpdater.app/Contents/Resources/macupdater_client update --quiet "${app_path}"
done