use stackrc.example, and prompt user before copying
diff --git a/stack.sh b/stack.sh
index 85b7474..54d777a 100755
--- a/stack.sh
+++ b/stack.sh
@@ -59,6 +59,13 @@
 # an error.  It is also useful for following allowing as the install occurs.
 set -o xtrace
 
+# Use stackrc.example if stackrc is missing
+if [ ! -e ./stackrc ]; then
+    read -n1 -p "No stackrc present.  Copy stackrc.example to stackrc? (y/n) "
+    echo
+    [[ $REPLY = [yY] ]] && cp stackrc.example stackrc|| { echo "Aborting:  Missing stackrc"; exit 1; }
+fi
+
 # Import variables
 source ./stackrc