LWP::Simple code

use LWP::Simple;
my $url  = 'https://cwiki.apache.org/confluence/display/PIG/PigTutorial';
my $file = 'pigtutorial.tar.gz';
my $status = getstore($url, $file);
die "Error $status on $url" unless is_success($status);

CURL code

my $url = `curl -C - -o pigtutorial.tar.gz https://cwiki.apache.org/confluence/display/PIG/PigTutorial`;