From 1bfcd9177da77aef9d77434d64a1dd9a6cac66fc Mon Sep 17 00:00:00 2001
From: David Schroeder <david@schroedercity.com>
Date: Sat, 19 Mar 2022 23:08:34 -0500
Subject: [PATCH] Update default.inc

---
 default.inc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/default.inc b/default.inc
index 2d1cfa9..5e2a496 100755
--- a/default.inc
+++ b/default.inc
@@ -27,6 +27,16 @@ else
 	exit 1
 fi
 
+is_array()
+{   #detect if arg is an array, returns 0 on sucess, 1 otherwise
+    [ -z "$1" ] && return 1
+    if [ -n "$BASH" ]; then
+        declare -p ${1} 2> /dev/null | grep 'declare \-a' >/dev/null && return 0
+    fi
+    return 1
+}
+
+
 declare -A abet
 abet[0]="a"
 abet[1]="b"