How to filter posts based on category

[KurtTrowbridge]

Hello! This seems like it should be simpler than I'm making it, but my attempts thus far haven't worked.

I currently have a for loop to get all Posts:
{% for post in site.posts %}

I would like to only display Posts that include the category matched. What's the correct syntax to do that? I tried a few things based on what documentation (both Siteleaf-specific and related to Liquid) I could find, including {% for post in taxonomy['categories']['matched'].posts %}, but that doesn't seem to be working. (After that, I'd also like to place a second loop on another page for only Posts that do not have that category.)

Thanks for your help!

[sskylar]

Hi @KurtTrowbridge,

You could get the posts for a particular category (or tag) like this:

{% assign posts = site.categories['Test'].posts %}

You could also use a where_exp filter:

{% assign posts = site.posts | where_exp: "post","post.categories contains 'Test'" %}

To loop through posts that do or do not have a particular category, you can do this:

{% for post in site.posts %}
  {% if post.categories contains 'Test' %}
    <!-- post has category -->
  {% else %}
    <!-- post does not have category -->
  {% endif %}
{% endfor %}