add a little documentation and give a spartan default while letting '-x' flag print random hex bytes

desks.sh

@@ -6,9 +6,15 @@
 # copyleft 2020 Derek Stevens <drkste@zoho.com>
 # MIT License - do whatever you want
 
+# if we're feeling spartan, just print a simple string for the executor
 if [ -z $1 ]; then
+  echo " >>"
+
+# if we pass '-x', spit a few hexadecimal bytes into the executor for eye-candy
+elif [ "$1" = "-x" ]; then
   od -vAn -N2 -x < /dev/urandom
 
+# otherwise switch desks
 else
   currentDeskNum=$(wmctrl -d | grep -n [*] | awk '{print $1}' | awk -F : '{print $1}')
   numDesks=$(wmctrl -d | wc -l)