Check to make sure libraries are installed, quit on failure

Signed-off-by: Matthew Stidham <stidmatt@protonmail.com>

wifi_diag/do_wifi_diag.bash

@@ -13,6 +13,28 @@
 # --------------------------------------------------------------------------- #
 # scripts
 
+# Check to make sure dependencies are installed
+present=(
+  gnuplot
+  wkhtmltopdf
+)
+killcommand=0
+for i in "${present[@]}"; do
+  $present=$(rpm -qa | grep i)
+  if [[ $present -gt 0 ]]; then
+    pass
+  else
+    killcommand=1
+    echo "Please install $i on your system"
+    exit 1
+  fi
+done
+if [[ $killcommand -gt 0 ]]; then
+  exit 1
+else
+  pass
+fi
+
 output_dir=diag_report
 input_fname=
 dut=
@@ -22,18 +44,24 @@ show_help=0
 while getopts "ho:f:d:C" arg; do
   #echo "ARG[$arg] OPTARG[$OPTARG]"
   case $arg in
-   o) output_dir=$OPTARG
+  o)
+    output_dir=$OPTARG
     ;;
-   f) input_fname=$OPTARG
+  f)
+    input_fname=$OPTARG
     ;;
-   d) dut=$OPTARG
+  d)
+    dut=$OPTARG
     ;;
-   h) show_help=1
+  h)
+    show_help=1
     ;;
-   C) clobber=1
+  C)
+    clobber=1
     ;;
   *)
     echo "Ignoring option $arg $OPTARG"
+    ;;
   esac
 done
 
@@ -47,11 +75,8 @@ if [ $show_help -gt 0 ]; then
   exit 1
 fi
 
-
+if [ -e $output_dir ]; then
-if [ -e $output_dir ]
+  if [ $clobber = "1" ]; then
-then
-    if [ $clobber = "1" ]
-    then
     echo "Removing existing output directory: $output_dir"
     rm -fr $output_dir
   else