Using Jekyll how can I check if file exist in my folder?

问题

I have an _includes folder, and within it I have nav subfolder containing a nav.html file.

I've been trying to check if nav.html exists in nav. If it does, I want to include that nav.html file. If it doesnt exist, there will be a default nav for my template.

Here's the code I have right now:

{% for static_file in site.static_files %}
    {% if static_file.path == '/nav.html' %}
        {% include nav.html %}
    {% endif %}
{% endfor %}

Hope you guys can help me out.

Many thanks in advance

回答1:

I am not able to find the solution using existing liquid tags so I solved this by using a plugin with a custom liquid tag.

{% capture fileExists %}{% file_exists _includes/nav/custom/nav.html %}{% endcapture %}
{% if fileExists=="true" %}
    {% include /nav/custom/nav.html %}
{% else %}
    {% include /nav/default/nav.html %}
{% endif %}

See GitHub Repo

来源：https://stackoverflow.com/questions/40755367/using-jekyll-how-can-i-check-if-file-exist-in-my-folder