my @files=("http://domain.com/file1","http://domain.com/file2","http://domain.com/file3");
foreach my $filename(@files)
{
   `wget $filename`;
}

##</code><code>##

use LWP::Simple;
my @files=("file1.gz","file2.gz","file3.gz");
my $domain="http://domain.com";
foreach my $file(@files)
{
       my $url=$domain.$file
       getstore($url, $file) or print "failed to get $url\n";
}