#!/bin/bash


err_fn()
{
	echo '$1' passed to the function is $1
	echo '$2' passed to the function is $2
	exit 1
}


echo '$1' from the command line is $1
echo '$2' from the command line is $2

read stop

if [ $# -ne 2 ]
	then
		err_fn " you are wrong " "I am the second dollar"

	else
		echo you entered 2 args so we\'ll go on

fi