Extract authenticator in Zope / Plone form

parse_token.sh

#!/bin/sh
curl -u admin:admin http://localhost:8080/Plone/portal_quickinstaller/manage_installProductsForm -q | grep -oP '_authenticator.*value="\K[a-z0-9]*' | head -1

reinstall_products.sh

#!/bin/sh
TOKEN=`curl -u admin:admin http://localhost:8080/Plone/portal_quickinstaller/manage_installProductsForm -q | grep -oP '_authenticator.*value="\K[a-z0-9]*' | head -1`
curl -u admin:admin http://localhost:8080/Plone/portal_quickinstaller/manage_installProductsForm -p products%3Alist=productA&products%3Alist=productB&reinstallProducts%3Amethod=Reinstall&_authenticator=$TOKEN