#! /usr/bin/perl -w

use strict;
use Data::Dump qw(pp);
use WWW::Mechanize;

my $url  = 'http://perlmonks.org/images/vroom_sm.gif';
my $mech = WWW::Mechanize->new();
my $http_resp_obj = $mech->get( $url, ':content_file' => 'vroom_sm.gif' );
if ( $mech->success ) {
  # What if file buffer(s) haven't been flushed yet?
  print "File size is ", -s 'vroom_sm.gif', "\n";
  # I could not figure out how to get the value of the 'content-length' key
  # despite examining the output from:
  # pp($http_resp_obj);
  print "Content length is $http_resp_obj->header('content-length')\n";
} else {
  warn "Failed to download '$url' (" . $mech->status() . ")\n";
}