Jekyll If File Exists

Installation

Copy file_exists.rb into the /_plugins/ directory of your Jekyll project.

Usage

The plugin adds a new custom liquid tag, which can be used as follows:

{% iffileexists dir/{{ page.var }}/page.html %}
  {% include dir/{{ page.var }}/page.html %}
{% else %}
  {% include dir/default_page.html %}
{% endiffileexists %}