From 45ffcc8cbcf30d9e9dded905c2ee622cbd82c93a Mon Sep 17 00:00:00 2001
From: dak180 <dak180@users.sourceforge.net>
Date: Sun, 15 Apr 2018 22:33:54 -0400
Subject: [PATCH] Try to detect if the device specifier is valid.

---
 disk-burnin.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/disk-burnin.sh b/disk-burnin.sh
index 71f2193..2ccff0a 100755
--- a/disk-burnin.sh
+++ b/disk-burnin.sh
@@ -188,6 +188,9 @@ if [ -z "${driveID}" ]; then
 	echo "error: No Drive Device Specifier." 1>&2
 	dbUsage
 	exit 4
+elif [ ! -e "/dev/${driveID}" ]; then
+	echo "error: Drive Device Specifier does not exist." 1>&2
+	exit 4
 fi
 
 #check if needed software is installed