From 5bc93e78a6bc0bedd909d8ee79ea0c86aa00f02b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Romain=20Gon=C3=A7alves?= <me@rgoncalves.se>
Date: Tue, 14 Dec 2021 18:55:14 +0000
Subject: bin/func: Add support for date + GNU Core Utils

---
 bin/func | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/bin/func b/bin/func
index 4fe632e..62d65a0 100644
--- a/bin/func
+++ b/bin/func
@@ -20,6 +20,8 @@ website_language="en"
 date_default_hour="17:00:00"
 date_default_timezone="+0200"
 
+uname=$(uname)
+
 __get_value() {
 	# 1: filename
 	# 2: Attribute name
@@ -60,7 +62,11 @@ __get_value_date() {
 __get_value_date_human() {
 	# 1: filename
 	# Get a human readable date from a file and return a safe string.
-	__get_value_date "${1}" | xargs date -j -f "%Y-%m-%d" +"%B %d, %Y"
+	if [ "${uname}" = "Linux" ]; then
+		__get_value_date "${1}" | xargs date +"%B %d, %Y" -d
+	else
+		__get_value_date "${1}" | xargs date -j -f "%Y-%m-%d" +"%B %d, %Y"
+	fi
 }
 
 __get_value_date_publication() {
@@ -71,7 +77,11 @@ __get_value_date_publication() {
 	_date="$(__get_value_date ${1})"
 	_date="${_date} ${date_default_hour} ${date_default_timezone}"
 
-	date -j -f "%Y-%m-%d %H:%M:%S %z" +"%a, %d %b %Y %H:%M:%S %z" "${_date}"
+	if [ "${uname}" = "Linux" ]; then
+		date -d "${_date}" +"%a, %d %b %Y %H:%M:%S %z"
+	else
+		date -j -f "%Y-%m-%d %H:%M:%S %z" +"%a, %d %b %Y %H:%M:%S %z" "${_date}"
+	fi
 }
 
 __get_out_filename() {
-- 
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