>perl -le "print scalar grep {/http/i} keys %ENV"
0

>perl -le "use LWP (); print $LWP::VERSION"
5.64

>perl script.pl
Fetching 'http://www.google.com' with LWP::UserAgent
Retrieved 2311 bytes
Fetching 'http://www.google.com' with LWP::Simple
Retrieved 2311 bytes