#!/usr/bin/perl use strict; use CGI qw/:standard/; my $q = new CGI; my $filename = $q->param('uploaded_file'); my $contenttype = $q->uploadInfo($filename)->{'Content-Type'}; print header; print start_html; if ($contenttype !~ /^text\/html$/) { print "Only HTML is allowed

"; print end_html; exit; } else { print "Type is $contenttype

"; } print end_html;