tag.html

---
layout: default
title: Tag
---

{% comment %}
=======================
The following part extracts all the tags from your posts and sort tags, so that you do not need to manually collect your tags to a place.
=======================
{% endcomment %}
{% assign rawtags = "" %}
{% for post in site.posts %}
	{% assign ttags = post.tags | join:'|' | append:'|' %}
	{% assign rawtags = rawtags | append:ttags %}
{% endfor %}
{% assign rawtags = rawtags | split:'|' | sort %}

{% comment %}
=======================
The following part removes dulpicated tags and invalid tags like blank tag.
=======================
{% endcomment %}
{% assign tags = "" %}
{% for tag in rawtags %}
	{% if tag != "" %}
		{% if tags == "" %}
			{% assign tags = tag | split:'|' %}
		{% endif %}
		{% unless tags contains tag %}
			{% assign tags = tags | join:'|' | append:'|' | append:tag | split:'|' %}
		{% endunless %}
	{% endif %}
{% endfor %}