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#!/usr/bin/env perl -T
use strict;
use warnings;
use CGI;
use CGI::Carp qw/ fatalsToBrowser /;
use Template;
my $cgi = CGI->new;
my $template_vars = {
cgi_version => $CGI::VERSION,
# Process the form if there is a file name entered
if ( my $file = $cgi->param( 'filename' ) ) {
my $tmpfile = $cgi->tmpFileName( $file );
my $mimetype = $cgi->uploadInfo( $file )->{'Content-Type'} || '';
@{$template_vars}{qw/file temp_file mimetype/}
= ( $file,$tmpfile,$mimetype );
my %wanted = map { $_ => 1 } $cgi->multi_param( 'count' );
while ( <$file> ) {
$template_vars->{lines}++ if $wanted{"count lines"};
$template_vars->{words} += split(/\s+/) if $wanted{"count words"};
$template_vars->{chars} += length if $wanted{"count chars"};
close( $file );
print $cgi->header(
-type => 'text/html',
-charset => 'utf-8',
my $tt = Template->new;
$tt->process( \*DATA,$template_vars ) or warn $tt->error;
<!DOCTYPE html>
<meta charset="UTF-8">
<title>File Upload Example</title>
<b>Version</b> [% cgi_version %]
<h1>File Upload Example</h1>
<p>This example demonstrates how to prompt the remote user to select a remote file for uploading.</p>
<p>Select the <cite>browser</cite> button to choose a text file to upload.</p>
<p>When you press the submit button, this script will count the number of lines, words, and characters in the file.</p>
<form method="post" action="file_upload" enctype="multipart/form-data">Enter the file to process:
<input type="file" name="filename" size="45" /><br />
<label><input type="checkbox" name="count" value="count lines" checked="checked" />count lines</label>
<label><input type="checkbox" name="count" value="count words" checked="checked" />count words</label>
<label><input type="checkbox" name="count" value="count chars" checked="checked" />count characters</label>
<input type="reset" name=".reset" />
<input type="submit" name="submit" value="Process File" />
<input type="hidden" name=".cgifields" value="count" />
<hr />
[% IF file.defined %]
<h2>[% file %]</h2>
<h3>[% temp_file %]</h3>
<h4>MIME Type: <i>[% mime_type %]</i></h4>
<b>Lines: </b>[% lines %]<br />
<b>Words: </b>[% words %]<br />
<b>Characters: </b>[% chars %]<br />
[% END %]