1 files changed, 18 insertions, 0 deletions
diff --git a/_includes/functions/get_datetimes.html b/_includes/functions/get_datetimes.html
new file mode 100644
index 0000000..4398fbf
--- /dev/null
+++ b/_includes/functions/get_datetimes.html
@@ -0,0 +1,18 @@
+{% if include.filter %}
+  {% assign filter = include.filter %}
+{% endif %}
+
+{% assign split_mark = '<|>' %}
+
+{% assign dates = '' %}
+{% for post in site.posts %}
+  {% assign name = post.date | date: filter %}
+  {% assign dates = dates | append: split_mark  | append: name %}
+{% endfor %}
+
+{% assign return = dates
+  | remove_first: split_mark
+  | split: split_mark
+  | sort: self
+  | uniq %}
+