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$ lwp-request -USEd -H "Referer: http://localhost" http://example.com GET http://example.com Referer: http://localhost ... X-Ec-Custom-Error: 1 X-Meta-Charset: utf-8 X-Meta-Viewport: width=device-width, initial-scale=1
use WWW::Mechanize; my $ua = WWW::Mechanize->new; $ua->get('http://example.com', 'Referer', 'localhost'); ... Client-Response-Num: 1 X-Cache: HIT X-Ec-Custom-Error: 1