From 97929bcbe9b2b29afdbbdd02f5cdb16906f077ca Mon Sep 17 00:00:00 2001
From: Asif Bacchus <asif@linuxprogramming.mshome.net>
Date: Tue, 21 May 2019 04:46:53 -0600
Subject: [PATCH] add user confirmation to execute

---
 f2b-config.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/f2b-config.sh b/f2b-config.sh
index 51dbf03..95a5b69 100755
--- a/f2b-config.sh
+++ b/f2b-config.sh
@@ -114,6 +114,26 @@ echo -e "how to customize these template files.${normal}"
 echo -e "${note}--------------------------------------------------------------------------------${normal}"
 echo
 
+# confirm user wants to proceed
+while true; do
+    read -rp "Do you want to proceed? (default: Yes) " yn
+    case "${yn}" in
+        [Yy]*|'')
+            break
+            ;;
+        [Nn]*)
+            # exit gracefully, user choice
+            echo -e "\n${info}Exiting now.${normal}\n"
+            exit 0
+            ;;
+        *)
+            # invalid input
+            echo -e "\n${lit}Please answer (Y)es or (N)o or accept default" \
+                "${normal}"
+            ;;
+    esac
+done
+
 
 ### copy template files
 # note: prefixing cp with '\' to override any alias settings