From 8b3c16cebfde60436577841884cecc55029a4749 Mon Sep 17 00:00:00 2001
From: Michael Schnerring <3743342+schnerring@users.noreply.github.com>
Date: Tue, 8 Sep 2020 21:22:57 +0200
Subject: [PATCH] implement dependency check

---
 disk-burnin.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/disk-burnin.sh b/disk-burnin.sh
index e2db351..b9f31f0 100644
--- a/disk-burnin.sh
+++ b/disk-burnin.sh
@@ -131,6 +131,16 @@
 #
 ########################################################################
 
+# Check required dependencies
+readonly DEPENDENCIES="awk badblocks grep sed sleep"
+for dependency in ${DEPENDENCIES}; do
+  if ! command -v "${dependency}" > /dev/null 2>&1 ; then
+    echo "Command '${dependency}' not found. Exiting ..."
+    exit 2
+  fi
+done
+
+# Check script arguments
 if [ $# -ne 1 ]; then
   echo "Error: not enough arguments!"
   echo "Usage is: $0 drive_device_specifier"