{% comment %}<!--
  param:  file = "/example/file.png"
  return: file_exists_result = true
  
  examples:
    {% include JB/file_exists file="/404.html" %}
    {% if file_exists_result %}Found "/404.html"!{% else %}Did not find "/404.html".{% endif %}

    {% assign filename = "/405.html" %}
    {% include JB/file_exists file=filename %}
    {% if file_exists_result %}Found "{{ filename }}"!{% else %}Did not find "{{ filename }}".{% endif %}

  NOTE: the BREAK statement in the FOR loop assumes Liquid >= 2.5.0
  
-->{% endcomment %}

{% assign file_exists_result = false %}

{% if include.file %}
	{% for static_file in site.static_files %}
		{% if static_file.path == include.file %}
			{% assign file_exists_result = true %}
			{% break %}
		{% endif %}
	{% endfor %}
{% endif %}