From ff9a196ad3df7bd5881de3c7c32494398f05473d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Mon, 21 Mar 2022 14:58:04 +0100
Subject: [PATCH] calculation of human readable file sizes

---
 tools.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tools.sh

diff --git a/tools.sh b/tools.sh
new file mode 100644
index 0000000..591e9bc
--- /dev/null
+++ b/tools.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+size_human(){
+  local size="$1"
+
+  if [ $size -gt $((1024 * 1024 * 1024)) ]; then
+    size=$((size / 1024 / 1024 / 1024 * 10 + size / 1024 / 1024 % 1024 / 100))
+    printf "%i.%i GB" "$((size / 10))" "$((size % 10))"
+
+  elif [ $size -gt $((1024 * 1024)) ]; then
+    size=$((size / 1024 / 1024 * 10 + size / 1024 % 1024 / 100))
+    printf "%i.%i MB" "$((size / 10))" "$((size % 10))"
+
+  elif [ $size -gt $((1024)) ]; then
+    size=$((size / 1024 * 10 + size % 1024 / 100))
+    printf "%i.%i KB" "$((size / 10))" "$((size % 10))"
+
+  else
+    printf "%i B" "$size"
+  fi
+}
-- 
2.39.2