#!/usr/bin/perl

use strict;
use warnings;

my @packages = qw/
    Net::IP
    Net::CIDR
    List::BinarySearch
/;

for my $package (@packages) {
    eval "require $package";
    if ($@) {
        print "Couldn't find package '$package'\n";
    }
    else {
        print "Found package '$package'\n";
    }
}