From f6ecdfb40fcb63f89961352362c2b3a3d00edf92 Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Wed, 16 Oct 2019 13:56:23 +0200
Subject: Rewrite up utility to be POSIX compliant

---
 .local/bin/up | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

(limited to '.local/bin')

diff --git a/.local/bin/up b/.local/bin/up
index f771781..cdceaa2 100755
--- a/.local/bin/up
+++ b/.local/bin/up
@@ -1,12 +1,14 @@
-#!/usr/bin/env bash
+#! /usr/bin/env sh
 
-uptime=$(</proc/uptime)
-uptime=${uptime%%.*}
+main()
+{
+	seconds=$(awk -F. '{print $1}' < /proc/uptime)
 
-seconds=$(( uptime%60 ))
-minutes=$(( uptime/60%60 ))
-hours=$(( uptime/60/60%24 ))
-days=$(( uptime/60/60/24 ))
-
-echo "${days}d ${hours}h ${minutes}m ${seconds}s"
+	printf "%dd %02dh %02dm %02ds\n" \
+		"$(( seconds / 60 / 60 / 24 ))" \
+		"$(( seconds / 60 / 60 % 24 ))" \
+		"$(( seconds / 60 % 60 ))" \
+		"$(( seconds % 60 ))"
+}
 
+main "$@"
-- 
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