Retreive SoundCloud access_token via Bash

soundcloud.sh

#!/bin/bash
echo -n "Client ID: "
read CLIENT_ID
echo -n "Client Secret: "
read -s CLIENT_SECRET
echo
echo -n "Username: "
read username
echo -n "Password: "
read -s password
echo

echo -n | openssl s_client -connect soundcloud.com:443 -showcerts 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' >/tmp/soundcloud.pem

TOKEN="$(curl -s -X POST --cacert /tmp/soundcloud.pem \
 -F 'client_id='$CLIENT_ID \
 -F 'client_secret='$CLIENT_SECRET \
 -F 'grant_type=password' \
 -F 'username='$username \
 -F 'password='$password \
 -F 'scope=non-expiring' \
 'https://api.soundcloud.com/oauth2/token' | cut -d\" -f4)"

rm /tmp/soundcloud.pem

echo "Access Token: ${TOKEN}"