You can create a reference to an existing variable or subroutine by prefixing it with a:

What must be done to pass more than one array or hash into or out of a function and have them maintain their integrity?

Which regular expression deletes all tags specified as text enclosed by '<' and '>' from a document stored in a string, but deletes nothing else?

What's the system() success value?

The bitwise AND operator is:

What does append do in FTP?

Which Perl function execute(s) a system command and never return(s)?

Output of the Perl code snippet? my $exp = 1; $ENV{'xxx'} = \$exp; system($^X, '-e', q/print ( ref $ENV{'xxx'} ? 'Example' : 'Perl' ) /); '>

Output of the Perl program? my $out = 'Apple and Mango'; my $inr = 'Almond and Walnut'; my $ptn ='Apple and Mango'; my $inr = 'Almond and Walnut'; my $ptn = qr/(\S+) and (\S+)/; sub output_n { print qr/(\S+) and (\S+)/; sub output_n { print

Which Perl Pod command option implies that the words in text should not be broken across lines?

What will be the output of the following Perl code snippet?

print @exps = (1) x 5; print @exps, '\n'; @var = (3) x @exps; print @var;