Simple script for quickly and safely deleting AAD app registrations that you own.

delete-my-aad-apps.sh

#!/bin/bash -e

delete_aad_app() {
    az ad app delete --id "$1"
    echo "AAD app [$1] deleted."
}

usage() {
    echo "Usage: $0 [-y]"
}

while getopts "y" opt; do
    case $opt in
        y)
            yes=1
        ;;
        \?)
            usage
            exit 1
        ;;
    esac
done

while [[ -z $current_user_oid ]]; do 
    current_user_oid=$(az ad signed-in-user show --query id --output tsv 2>/dev/null);
    if [[ -z $current_user_oid ]]; then az login; fi;
done

my_aad_app_ids=$(az ad app list --output tsv --query '[].appId' --show-mine)

for my_aad_app_id in $my_aad_app_ids; do
    if [[ -n $yes ]]; then
        delete_aad_app "$my_aad_app_id"
    else
        my_aad_app_name=$(az ad app show --id "$my_aad_app_id" --output tsv --query 'displayName')
        read -r -p "Delete [$my_aad_app_name ($my_aad_app_id)]? [Y/n] " yn
        case $yn in
        [1Yy])
            delete_aad_app "$my_aad_app_id"
        ;;
        esac
    fi
done