Getting the WordPress cookie value via curl

get-wordpress-cookie.sh

#!/bin/bash

tmpfile=`mktemp`

curl -D $tmpfile -X POST http://domain.com/wp-login.php -d 'log=XXX&pwd=XXX&testcookie=1&redirect_to=http://domain.com/wp-admin/&wp-submit="Log+In"' > /dev/null 2>&1

cookie_value=`egrep 'Set-Cookie: wordpress_' $tmpfile | grep -v "test_cookie" | head -n 1 | cut -d":" -f2 | cut -d";" -f1 | sed "s/\s//g"`

echo $cookie_value

rm $tmpfile