#!/bin/bash

function check_ret()
{
	ret=$1
	if [ "$ret" -ne 0 ]; then
		echo "Validation of last command failed, ret(${ret})"
		exit $ret
	fi

}

function exec_cmd()
{
	echo "executing $@"
	$@ >/dev/null 2>&1

	if [ $? -ne 0 ]; then
		echo "Failed to execute $@"
		exit 1
	fi
}