WordPress.com oAuth2 access token request via command line (cURL)

get-oauth2-token.sh

#!/bin/sh

echo oAuth2 app id:
read appid

echo oAuth2 app secret:
read -s appsecret

echo Username:
read username

echo Password:
read -s password
echo

function getJsonVal () {
  python -c "import json,sys;sys.stdout.write(json.dumps(json.load(sys.stdin)$1))";
}

wp_access_token=$(curl -# -X POST --data-urlencode "grant_type=password" --data-urlencode "client_id=$appid" --data-urlencod
e "client_secret=$appsecret" --data-urlencode "username=$username" --data-urlencode "password=$password" https://public-a
pi.wordpress.com/oauth2/token | getJsonVal "['access_token']")

# remove the start and end quotes
wp_access_token="${wp_access_token%\"}"
wp_access_token="${wp_access_token#\"}"

export wp_access_token

echo New token acquired. If you sourced this script then variable \$wp_access_token  has been set to: $wp_access_token
echo You may use it like this: curl --header \"Authorization: Bearer \$wp_access_token\" \<URL\>