From 3fca553dae761595885fff8dd1d5491979e9c585 Mon Sep 17 00:00:00 2001
From: kevin zhuang <kevin7441@gmail.com>
Date: Sat, 11 Apr 2020 15:32:37 +1000
Subject: [PATCH] added confirmation helper

---
 helper/get_confirmation | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 helper/get_confirmation

diff --git a/helper/get_confirmation b/helper/get_confirmation
new file mode 100644
index 0000000..952bbe2
--- /dev/null
+++ b/helper/get_confirmation
@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# confirmaiton helper
+#
+# @params
+# Globals
+#   ${confirm}: y/n the result of the confirmation
+# Arguments
+#   $1: message to show
+
+function get_confirmation() {
+  unset confirm
+  while [[ "${confirm}" != 'y'  && "${confirm}" != 'n' ]]; do
+    read -p "$1(y/n): " confirm
+  done
+}