$result=`sudo ls -la`;
print "$result\n";

##</code><code>##

	sudo: please use single character options
	usage: sudo -K | -L | -V | -h | -k | -l | -v
	usage: sudo [-HPSb] [-p prompt] [-u username|#uid]
	            { -e file [...] | -i | -s | <command> }

##</code><code>##

$result=`sudo ls -la`;
print "$result\n";