{% if page.series %} {% assign count = '0' %} {% assign idx = '0' %} {% for post in site.posts reversed %} {% if post.series == page.series %} {% capture count %}{{ count | plus: '1' }}{% endcapture %} {% if post.url == page.url %} {% capture idx %}{{count}}{% endcapture %} {% endif %} {% endif %} {% endfor %}

This article is Part {{ idx }} in a {{ count }}-Part Series.

{% endif %}