From 64cf5f6e5cf58214f154426be286a7e4e6ffe496 Mon Sep 17 00:00:00 2001
From: Jacob Collins <jacobc1926@gmail.com>
Date: Fri, 30 Dec 2022 09:55:14 +1100
Subject: [PATCH] `egrep` is obsolescent

---
 lib/InterfaceUtils.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/InterfaceUtils.sh b/lib/InterfaceUtils.sh
index 8ed1da8..e4a8450 100755
--- a/lib/InterfaceUtils.sh
+++ b/lib/InterfaceUtils.sh
@@ -99,7 +99,7 @@ function interface_hardware() {
   esac
 
   # Check for invalid InterfaceHardwareID (starts or ends with :) .. not a happy face, still won't quote it.
-  if echo "$InterfaceHardwareID" | egrep -q "^:|:$"; then
+  if echo "$InterfaceHardwareID" | grep -Eq "^:|:$"; then
     unset InterfaceHardwareID
     unset InterfaceHardwareBus
     return 2