use Modern::Perl;
-use C4::Auth;
+use C4::Auth qw( get_template_and_user );
use CGI;
use C4::Context;
-use C4::Output;
-use C4::Koha;
-use File::stat qw(stat);
-use Digest::MD5 qw(md5_hex);
-use Encode;
+use C4::Output qw( output_html_with_http_headers );
+use File::stat qw( stat );
+use Digest::MD5 qw( md5_hex );
+use Encode qw( decode );
my $input = CGI->new;
my $file_id = $input->param("id");