Small utility to find keys for preferences on macOS

find_default

#!/usr/bin/env bash

app_name=$1
tmp_before=$(mktemp)

defaults read $app_name > $tmp_before

printf "%s" "Make the changes in the app now."
printf "\n%s" "Press any key to continue."

# Wait for user input.
read ans

tmp_after=$(mktemp)

defaults read $app_name > $tmp_after

diff $tmp_before $tmp_after