From 53c2651fa80fc18f7ac2cb9e8ff8eb3f43d85029 Mon Sep 17 00:00:00 2001
From: olli <olli@ds9.dedyn.io>
Date: Thu, 23 Nov 2023 18:07:31 +0100
Subject: [PATCH] gaboshlib/g_percentage-diff.bashfunc aktualisiert

---
 gaboshlib/g_percentage-diff.bashfunc | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/gaboshlib/g_percentage-diff.bashfunc b/gaboshlib/g_percentage-diff.bashfunc
index 14108df..f7a2334 100644
--- a/gaboshlib/g_percentage-diff.bashfunc
+++ b/gaboshlib/g_percentage-diff.bashfunc
@@ -1,7 +1,10 @@
-#!/bin/bash
-
-function g_percentage-diff {
-  local g_from=$1
-  local g_to=$2
-  printf -- "%.2f" $(g_calc "100/${g_from}*(${g_to}-${g_from})")
-}
+#!/bin/bash
+
+function g_percentage-diff {
+  local g_from=$1
+  local g_to=$2
+  g_num_valid_number "$g_from" "$g_to" || return 1
+  [ $(g_calc "${g_from} == 0") -eq 1 ] && return 1
+  [ $(g_calc "${g_to} == 0") -eq 1 ] && return 1
+  printf -- "%.2f" $(g_calc "100/${g_from}*(${g_to}-${g_from})")
+}