From 6dbb979a88d8fef32b46eed133053938451420a4 Mon Sep 17 00:00:00 2001
From: Sotheareth Ham <david.va@ezpizee.com>
Date: Fri, 14 Aug 2020 14:07:57 +0700
Subject: [PATCH] add test sh file

---
 hello.sh | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 hello.sh

diff --git a/hello.sh b/hello.sh
new file mode 100644
index 0000000..5c1ebff
--- /dev/null
+++ b/hello.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+helpFunction()
+{
+   echo ""
+   echo "Usage: $0 -a parameterA -b parameterB -c parameterC"
+   echo -e "\t-a Description of what is parameterA"
+   echo -e "\t-b Description of what is parameterB"
+   echo -e "\t-c Description of what is parameterC"
+   exit 1 # Exit script after printing help
+}
+
+while getopts "a:b:c:" opt
+do
+   case "$opt" in
+      a ) parameterA="$OPTARG" ;;
+      b ) parameterB="$OPTARG" ;;
+      c ) parameterC="$OPTARG" ;;
+      ? ) helpFunction ;; # Print helpFunction in case parameter is non-existent
+   esac
+done
+
+# Print helpFunction in case parameters are empty
+if [ -z "$parameterA" ] || [ -z "$parameterB" ] || [ -z "$parameterC" ]
+then
+   echo "Some or all of the parameters are empty";
+   helpFunction
+fi
+
+# Begin script in case all parameters are correct
+echo "$parameterA"
+echo "$parameterB"
+echo "$parameterC"
+
+echo "Press any key to continue"
+while [ true ] ; do
+read -t 3 -n 1
+if [ $? = 0 ] ; then
+exit ;
+else
+echo "waiting for the keypress"
+fi
+done
\ No newline at end of file