darryn

  {% if template contains 'collection' and collection.all_tags.size > 1 %}
  
  <!-- A recursive loop to catch and filter out the different tag categories -->
  {% assign c = 0 %} 
  {% for t in collection.all_tags %}
  {% capture cat %}{{ cat }}{% capture temp_cat %}{% if t contains '_' %}{% assign cat_grp = t | split: '_' %}{{ cat_grp.first }}{% endif %}{% endcapture %}{% unless cat contains temp_cat %}{% if t contains '_' %}{% assign new_cat_grp = t | split: '_' %}{{ new_cat_grp.first }}{% endif %}{% unless forloop.last %}+{% endunless %}{% assign c = c | plus: 1 %}{% endunless %}{% endcapture %}
  {% endfor %}
  
  <!-- create array of tag categories -->
  {% assign cat_array = cat | split: '+' %}